Tag: 上海GM交流


Geomagnetically Induced Currents and Harmonic Distortion: Storm‐time Observations from New Zealand


first_imgLarge geomagnetic storms are a known space weather hazard to power transmission networks due to the effects of Geomagnetically Induced Currents (GICs). However, research in this area has been hampered by a lack of GIC observations. Previous studies have noted that New Zealand is unusually fortunate in having a comparatively dense, high quality, set of GIC measurements, spanning >60 transformers in >20 substations. However, due to operational reasons these observations are clustered in the mid and lower South Island. In this paper we analyze space weather‐induced GIC impact patterns over the entire country by using a different set of sensors that monitor levels of harmonic distortion, with even and odd harmonics measured separately. GICs lead to half cycle transformer saturation and is one of the few ways in which even harmonics are produced in a well run power transmission network. We make use of harmonic distortion measurements at 377 circuit breakers made at 126 separate locations. Focusing on the intense geomagnetic storm activity during 06 to 09 September 2017, we show how the even harmonic distortion observations provide a useful new picture of GIC‐stressed transformers. These observations demonstrate how GIC effects can be monitored by using even harmonic distortion in locations where no GIC measurements are present (for example, the most of the North Island). We understand harmonic distortion measurements are fairly common in electrical networks and could provide a new tool for Space Weather researchers.last_img read more


Dean, College of Science & Mathematics


first_imgRowan University is seeking an innovative and entrepreneurialleader to serve as the Dean of the College of Science &Mathematics (CSM). The Dean will lead the development of a newvision for CSM in collaboration with faculty, staff, and studentswhich advances the University’s mission to provide access to anaffordable, quality education for a diverse student body, to createnew knowledge to serve humankind, and to serve as an economicengine for our region and the state of New Jersey. We seek acandidate who will lead the CSM community in our scientific,technological, and educational response to society’s challenges insustainability, climate change, and social and environmentaljustice.As the chief academic and administrative officer of CSM, the Dean’sresponsibilities include: (1) oversight, enhancement, anddevelopment of high-quality undergraduate and graduate programsincluding stackable and micro-credential programs; (2) expansion ofthe college’s research endeavors; (3) recruitment and retention ofa diverse faculty and student body and promotion of an inclusiveenvironment; (4) fundraising, development of new revenue sources,and budgetary oversight; (5) alumni relations, and (6) enhancingthe visibility and reputation of the college. The Dean will workclosely with the Provost and fellow deans to support RowanUniversity’s distinctive identity, while moving towards Carnegie 1research status.The ideal candidate is an exceptional and inspirational leader thatvalues transparency, honesty, and integrity. The successfulcandidate will possess the following: The College of Science & Mathematics enrolls nearly 4,700undergraduate and graduate students in the Departments ofBiological Sciences, Chemistry & Biochemistry, ComputerScience, Mathematics, Molecular & Cellular Biosciences, Physics& Astronomy, and Psychology. Further information is availableat www.rowan.edu/csm. The position begins July 1, 2021. The salaryis competitive and commensurate with qualifications andexperience.Review of applications will begin on December 14, 2020 and continueuntil the position is filled. Applications must include: 1) letterof interest, 2) curriculum vitae, 3) a vision statement addressingplans for research growth, academic education, diversity andinclusion, sustainability and social justice, 4) full contactinformation for at least five references. All applications must besubmitted through our online applicant tracking system.Inquiries only may be directed [email protected] University invites applications and nominations for theposition of Dean of the College of Science & Mathematics. Rowan University is a R2 Carnegie-classified Doctoral University(High Research Activity) with approximately 20,000 students. Itsmain campus is located in Glassboro, N.J., 20 miles southeast ofPhiladelphia, with additional campuses in Camden and Stratford. TheUniversity comprises seven academic colleges and five schools—theWilliam G. Rohrer College of Business; the Henry M. Rowan Collegeof Engineering; the Ric Edelman College of Communication andCreative Arts, the Colleges of Education, Humanities and SocialSciences, Performing Arts, and Science & Mathematics; theCooper Medical School of Rowan University; the Rowan UniversitySchool of Osteopathic Medicine; the Graduate School of BiomedicalSciences; the School of Health Professions; and the School of Earthand Environment—with an Honors College that spans acrossdisciplines. Rowan is one of three public universities in thecountry to offer M.D. and D.O. medical degree programs. Theinstitution is also home to the South Jersey Technology Park, whichfosters the translation of applied research into commercialproducts and processes, the Ric & Jean Edelman Planetarium,Jean & Ric Edelman Fossil Park & Museum, and the VirtualReality Center. Rowan has been recognized as one of the top 100public universities in the nation by the U.S. News & WorldReport.Rowan University is an Equal Opportunity/Affirmative ActionEmployer. All qualified applicants will receive consideration foremployment without regard to race, creed, color, national origin,age, ancestry, nationality, marital or domestic partnership orcivil union status, sex, pregnancy, gender identity or expression,disability status, liability for military service, protectedveteran status, affectional or sexual orientation, atypicalcellular or blood trait, genetic information (including the refusalto submit to genetic testing), or any other category protected bylaw. For the complete Rowan University non-discrimination andaffirmative action policy see:https://sites.rowan.edu/equity/_docs/policies/eeo-statement.pdf. A terminal degree in one of the College’s disciplines or arelated field from an accredited institutionAn established record of excellence in teaching, scholarship,and service appropriate to the rank of Full Professor with tenure,including a sustained and successful externally funded researchprogramDemonstrated commitment to broadening participation ofunderrepresented and underserved groups in STEMExperience in fundraising and skill at social networkingAn approach to instruction and mentoring that focuses onpreparation for the careers of tomorrowOutstanding leadership, communication, and interpersonalskillsExperience with strategic planning and new programdevelopmentAn understanding of faculty needs, with a view towardsenhancing pedagogy, research activity, growth, andcollaborationA broad vision, incorporating the environmental and societalchallenges and opportunities that lie ahead, that promotes academicinnovation, private sector integration, and communityengagement.center_img Rowan University is committed to assisting all members of the Rowancommunity in providing for their own safety and security. TheAnnual Security and Fire Safety Report is available on theDepartment of Public Safety website at:http://www.rowan.edu/safety/clery/security_report.htmlIf you would like to receive a hard copy of the Annual Security andFire Safety Report which contains this information, you can stop bythe Department of Public Safety Office, located at Bole Hall Annex,201 Mullica Hill Road, Glassboro, NJ 08028 or you can request thata copy be mailed to you by calling (856) 256-4562 or 4506. Thereport contains information regarding campus security and personalsafety including topics such as: crime prevention, public safetyauthority, crime reporting policies, fire safety, disciplinaryprocedures and other matters of importance related to security oncampus. The report also contains information about fire statisticsin Rowan University Residential Facilities and crime statistics forthe three previous calendar years concerning reported crimes thatoccurred on campus; in certain off-campus buildings or propertyowned or controlled by the University; and on public propertywithin, or immediately adjacent to and accessible from the campus.This information is required by federal law, Jeanne CleryDisclosure of Campus Security Policy and Campus Crime StatisticsAct or “Clery Act” and is provided by the Rowan UniversityDepartment of Public Safety.All positions are contingent upon budget appropriations.Advertised: Nov 6 2020 Eastern Standard TimeApplications close:last_img read more


Students study abroad in alternative programs


first_imgThe Notre Dame Office of International Studies boasts 40 programs in 20 countries, but some students choose to pursue other international study programs not affiliated with the University.   Senior Kristen Kelly studied abroad during the spring of her junior year in Geneva, Switzerland through the School for International Training (STI).  She said she was attracted to the program more than Notre Dame’s options because it allowed her the chance to shape her semester precisely around her interests.   “[The program explores] international studies and multilateral diplomacy, and it was based in Geneva,” Kelly said.  “Geneva’s such a hub for so many international organizations like the U.N. and the Red Cross, and then the second half of the semester is an independent research project that you can tailor to your own interests.” Kelly said her project synthesized her various academic interests in a unique way. “My major is anthropology and my minor is international development studies,” Kelly said.  “I have been to Uganda the past two summers [and observed] the need for sustainable and just farming in Africa. … Studying abroad in Geneva and talking to all of the development experts gave me a policy level understand of all these development issues.” Kelly said her research will position her to craft solutions to the problems facing Ugandan communities when she returns this summer. “I’ve seen how those policies and development theory are applied on the ground and will draw from that understanding when I go back to Uganda this summer,” Kelly said.  “I thought that doing my own research project would be beneficial to my own learning experience and to something I want to do in the future.” Junior Brooke Murphy, currently studying in Copenhagen, Denmark, said she wanted the structural freedom that only a non-Notre Dame study abroad program could provide.   “I chose a non-ND study program because I wanted to do something completely independent, but also because I wanted to study architecture in a Nordic country,” Murphy said.   Communicating with people from different countries and backgrounds often creates a problem, Murphy said. “The hardest part about studying and living in and visiting foreign countries is encountering a language barrier,” Murphy said.  “I’m really good at charades now.” Murphy said although she has loved her time abroad, she feels the pull back home to the Dome.   “The thing I miss most about Notre Dame – never thought I’d say this – but hearing about the madness that is football season really [stinks],” Murphy said. Murphy said she has been able to explore Europe through her program. “The structure of this has allowed me to travel all across Europe: I have designated travel weeks just for me to experience other countries,” Murphy said. “I’ve traveled to Berlin, Munich, Cologne, Amsterdam, Budapest, Rome, Vienna, Prague and all over Denmark.” Kelly said her program also gave students travel periods. “The program took us for a week to Paris and Brussels – all the travel was so much fun,” Kelly said.  “I went to so many different countries; it was such an unparalleled experience.” Kelly also said she appreciated the opportunities to experience culture throughout the region. “All the travel weekends, that was up there [in the list of top moments] for me,” Kelly said.  “This program also had a home stay component. I had never taken French before but I stayed with a French-speaking family so I learned French in the household … They would take me on family ski trips. Living in Switzerland was a very cool experience but especially because of my family from there.” Students interested in studying abroad through a non-Notre Dame program should start the process early, Murphy said. “The application for being in a non-ND sponsored program meant there were lots of hoops and barrels and red tape that I had to jump over at the University,” Murphy said.  “For example, I’m technically on a leave of absence from the University and will have to reenroll when I return in the spring.” Kelly said she would advise every student to consider pursuing international study programs beyond ones offered by Notre Dame to ensure they find the program that fits their interests best. “If you don’t get into one of the Notre Dame programs I think there is an option for a later application process where you can apply to these non-Notre Dame programs,” Kelly said.  “If study abroad is something you want to do don’t limit yourself to the Notre Dame programs, explore your options: there’s definitely something, somewhere for everything. … It’s worth it to continue to look until you find one that is best for you.”last_img read more


Total SA: Another Oil Major Veers Into Renewables


first_imgMore: ($) Total becomes latest oil major to make a renewable play FacebookTwitterLinkedInEmailPrint分享Financial Tribune:Oil major Total moved forward with its plan to expand in the renewable energy sector on Tuesday with investments in EREN RE and Greenflex.Total said it was buying a 23% stake in renewables company EREN RE for $285 million and added it could later acquire full control of the business, Reuters reported.It also announced the takeover of Greenflex, a French company specializing in finding ways to use energy more efficiently, which is forecasting 2017 revenues of more than $420 million. Total did not give a value for that deal.The company said the deals formed part of its strategy to expand its solar energy and wind power business.“EREN RE’s momentum will allow us to accelerate our growth in solar energy and move us into the wind power market. The agreement with EREN RE is a major step towards our objective of achieving 5gigawatts of installed capacity in five years,” said Philippe Sauquet, president of Total’s gas, renewables and power units, in a statement.Sauquet added Total wanted GreenFlex to be the “linchpin of its growth in the energy efficiency industry in Europe.”Europe’s biggest oil companies, which have been bruised by pressure on oil prices over the last two years, have been intensifying their push into renewable energy as they hunt for new sources of future revenue.Last year, Total’s startup ventures unit acquired a stake in wind turbines company United Wind, while Total also announced plans to install solar panels at 5,000 of its service stations.More: Total SA Steps Up Renewables Drive GreenFlex offers sustainability solutions to 600 clients worldwide and is expected to reach more than €350 million in revenues by the end of this year, according to a Total press release. The deal is expected to close sometime during the fourth quarter. The two deals align with Total’s strategy to address climate challenge and become a “responsible energy major,” Sauquet and Total chairman and CEO Patrick Pouyanné both said in separate statements. Paris-based EREN RE has a portfolio of 650 MW of renewable energy projects in operation or under construction and plans to install more than 3,000 MW worldwide by 2023, according to a Total press release. Total will invest €237.5 million once it receives regulatory approval and will have an option to fully acquire EREN RE after five years. SNL:Another oil major is investing heavily in renewable energy. French energy giant Total SA said on Sept. 19 that it is purchasing a 23% stake in renewable energy company EREN and acquiring energy efficiency company GreenFlex. Total SA: Another Oil Major Veers Into Renewables “EREN RE’s momentum will allow us to accelerate our growth in solar energy and move us into the wind power market,” Philippe Sauquet, president of Total’s gas, renewables and power group, said in a statement. “The agreement with EREN RE is a major step towards our objective of achieving 5 GW of installed capacity in five years.”last_img read more


20 Bands to Watch


first_img20 BLUE RIDGE BANDS ON THE VERGE OF BIGGER THINGSPeople’s Blues of RichmondRichmond, Va.Things get heavy with this psychedelic rock power trio that blends the power of Deep Purple with the quirk of Modest Mouse. A ripping live show has earned these upstarts recent support gigs with JJ Grey & Mofro and J. Roddy Walston & the Business.MipsoChapel Hill, N.C.The title of this fresh-faced newgrass quartet’s latest album Dark Holler Pop sums up its sound: a solid foundation in traditional picking mingled with the indie sensibilities of Nickel Creek.Erin and the WildfireCharlottesville, Va. The soulful vocals of front woman Erin Lunsford lead this quartet that sonically mingles bluesy roots rock with vintage R&B grooves. A contest win earned the group a stage spot at last fall’s Lockn’ Music Festival.The HoneycuttersAsheville, N.C.With a soothing voice steeped in heartache, singer Amanda Anne Platt fronts this acoustic quintet that plays authentic honky tonk tunes brimming with the influence of living in Appalachia. The band’s latest album, me oh my, drops on April 21.The Black CadillacsKnoxville, Tenn.These Knoxville indie rockers keep gaining fans with tight song craft and a versatile sound that moves between soulfully restrained and wildly anthemic.Matthew E. WhiteRichmond, Va.The multi-talented White started the independent label Spacebomb Records and led the lauded avant-garde jazz ensemble Fight the Big Bull. Lately he’s become indie famous for his solo work, which includes the new relaxed soul-rock effort Fresh Blood.American AquariumRaleigh, N.C.Fans of the Drive-By Truckers and Lucero should take notice of this gritty alt-country act from Raleigh. If you need an endorsement, Jason Isbell produced the group’s 2012 album Burn.Flicker.Die, but its best work just came out in the recently released Wolves. Front man BJ Barham kicked the bottle and poured out gritty confessions draped in distorted twang.Folk Soul RevivalWise, Va.This hardworking Americana outfit from Virginia coal country plays a rowdy, roots-swirling brand of acoustic rock, bringing in elements of delta blues and vintage country that complement the gritty soulful vocals from lead singer Daniel Davis.SunlinerNelson County, Va.This electric country-rock side project features Travis Book, bassist for The Infamous Stringdusters, and his successful singer-songwriter wife Sarah Siskind.Chamomile and WhiskeyNelson County, Va.This group’s boisterous mountain rock covers plenty of territory in the roots music landscape, moving deftly between old-time foot-stompers, gritty gypsy jams, and hard-edged country punk.this mountainJohnson City, Tenn.An easy sell for fans of My Morning Jacket, this roots-driven outfit has a sound that moves deftly between mellow alt-country and full-on distorted twang rock—all tied together with layered harmonies that add a soulful edge.SwampcandyAnnapolis, Md. This Maryland duo plays down-and-dirty acoustic blues, paying homage to hill country heroes like Junior Kimbrough. The group’s relentless attack of gritty slide guitar and stomping beats was impressive enough to take first place at last year’s On the Rise competition at FloydFest.Jim White vs The Packway Handle BandAthens, Ga.Members of newgrass outfit Packway Handle Band teamed up with underground psychedelic folk bard Jim for Take It Like A Man, a collaborative string-band set filled with White’s patented sublime strangeness.Kyle James HauserLouisville, Ky.Like fellow Kentucky-based versatile stringed songwriter Ben Sollee, the banjo-toting Hauser possess a haunting soulful voice that delivers open-hearted lyrics about love and loss.Gill LandryNashville, Tenn.A Louisiana native, Landry spends most of his time these days in a supporting role as a member of Old Crow Medicine Show. The self-titled effort is a dusty singer-songwriter set that’s highlighted by compelling introspection and a hint of Cajun mood.Lee Baines III & The Glory FiresBirmingham, Ala.Formerly of the Dexateens, Baines has put together a new crew to deliver Southern-fried garage rock filled with epic hooks and plenty of distorted twang.Annabelle’s CurseBristol, Va. The border town indie folk quintet blends soaring vocal harmonies with literate introspection akin to the Decemberists.Mandolin OrangeChapel Hill, N.C. This acoustic duo delivers poignant progressive folk tunes that draw on a range of influences, including early Appalachian mountain songs and vintage country ballads.Emily HearnAthens, Ga.Hearn got a big notoriety push after funnyman Bill Murray appeared in the video for her sunny pop song “Rooftop” back in 2010. Only 24, the Athens songstress is ripe for a breakout with her latest album Hourglass.PGrassRichmond, Va.Jam band tangents meet nimble-fingered picking in this new collaboration between Brock Butler of Perpetual Groove and Americana outfit James Justin & Co.last_img read more


The Enduring Legacy of Kayah Gaydish


first_imgThe December death of Asheville climber and conservation champion Kayah Gaydish sent a tremor of shock and heartbreak through the outdoor community of the Southeast.Gaydish lived a life that was defined by her stewardship and dedication to the wilderness of Western North Carolina, particularly within the 12,000 rugged acres of the Linville Gorge.In her years working as a volunteer and on a part-time basis for the environmental nonprofit Wild South, she forged a deep connection to this beautiful and complex landscape. The majority of her fieldwork involved the grueling task of eradicating exotic species, in particular the aggressively invasive Princess Tree, which had germinated throughout hundreds of acres within the gorge after the 2013 wildfire. Native to Japan, the Princess Tree can grow up to 20 feet in one year, and will release millions of seedlings once it reaches maturity. The shade created by its spreading leaves can threaten the survival of native flora. Species such as the Heller’s Blazing Star and Mountain Golden Heather are endemic to Linville; once their populations are choked out, they are gone forever.Using hand pruners and folding saws, Gaydish and her team uprooted thousands of saplings, hanging them to dry out on tree limbs to ensure they could no longer spread. She meticulously documented the hours they spent in the field, recording the names and locations of the many different non-native species that threaten the fragile ecosystem inside the river gorge.An avid rock climber, Gaydish celebrated Linville as a mecca of outdoor recreation, brimming with opportunities for climbers, hikers and kayakers. As a naturalist and trained herbalist, she recognized the intrinsic value of wilderness. She possessed a talent for conveying to others just how vital each individual species was to the landscape as a whole.So infectious was her enthusiasm that she was able to recruit an ever-expanding team of volunteers to join her in the field, a team that often included veterans and participants in therapeutic wilderness programs. Her magnetic blend of passion and sincerity inspired others to forge a lasting and meaningful connection to the Linville that was all their own.LinvilleGorgeWorkDayFULL_FIX“That’s the clarity she gave me,” recalls Kevin Massey, Linville Gorge stewardship coordinator for Wild South. “The work that I mostly did, trail maintenance, is all digging and hacking. You can do that with zero connection to the land. She taught me about plant lore, edible leaves, medicines—things that start to bind you to a place in a different way.”An eloquent and animated man who speaks with a deep sense of conviction, Massey has stepped in to continue Gaydish’s role of organizing and engaging the Linville conservation community. Even before assuming the title of stewardship coordinator, he spent countless hours in the gorge, maintaining trails, removing trash,  and conducting land surveys.Massey describes his friend and co-worker’s efforts as “an example of extreme self-sacrifice.” Despite the abundance of joy she found in her work, he finds it poignant that any one person could give so many hours to a task as demanding as invasive species removal—particularly a single mother already working hard to feed her family.In the six months since Kayah’s passing, Massey and others have worked even harder to continue the legacy left behind in Linville. Invasive species are being eradicated. Native plants habitats are being restored. And a wild gorge is protected by even more volunteers inspired by Kayah and her work.last_img read more


In September, tourist turnover from the Hungarian market was exceeded throughout 2017


first_imgThat Croatia is a hit tourist destination on the Hungarian market is confirmed by the tourist turnover realized so far this year, which exceeds the total arrivals and overnight stays throughout 2017.Namely, according to the eVisitor system, slightly more than 572.000 arrivals and 3 million overnight stays were made from the Hungarian market last year, while in the previous part of the tourist year about 595.000 arrivals and 3,1 million overnight stays were realized, which is an 8 percent increase in arrivals and 6 percent in overnight stays compared to the same period last year. “The current trends in tourist traffic show that the majority of tourist traffic from the Hungarian market is realized in the individual segment, while a smaller part refers to organized travel, which confirms the thesis that Hungarians know Croatian destinations and regions very well. The most arrivals and overnight stays of Hungarian tourists were made in Crikvenica, Vir, Rovinj, Opatija, Medulin, Rab, Zadar, Lopar, Poreč, Zagreb and Vodice. Of accommodation, they prefer family accommodation, which accounts for about 50 percent of total traffic, while about 23 percent of total arrivals are realized in hotels.”, Said Ivana Herceg, the new director of the CNTB Representation in Hungary, announcing a business workshop for Croatian and Hungarian entities that will be held on October 15 at the Academy of Sciences in Budapest. Hungarians point out safety, good motorway connections and proximity as a great advantage of Croatia, so one of the main goals of this workshop is to increase the number of arrivals and overnight stays in the pre- and post-season and increase cooperation in the continental part of Croatia.That Croatian continental destinations are popular among Hungarian tourists is also shown by a special promotional project of the city of Karlovac, which was recently presented to the citizens of Budapest. In addition to the occasional cultural program in which students and professors of the Karlovac Music School and the Vuge Folklore Society performed, visitors could taste Croatian specialties and enjoy the exhibition “Portrait of the Star City”, art photographer Goran Vranić, and presented their promotional material in Hungarian. Aquatika – freshwater aquarium from Karlovac.Additional confirmation of Croatia’s popularity are numerous media reports on the beauty and quality of the Croatian tourist offer, such as the one in the famous Hungarian lifestlye magazine “Ridikül”, which presented Istria, Pula, Brijuni, Rovinj, Poreč and Motovun, destinations where Hungarians are welcome. guests, stand out from the CNTB.Sell ​​Croatia workshop in BudapestNumerous Croatian and Hungarian tourist entities within the Sell Croatia business workshop will have the opportunity to further improve cooperation, ie even better linking supply and demand in an organized segment that includes travel agencies and tour operators. Applications for participation are open until October 5 via the form available at pages Croatian National Tourist Board.last_img read more


China county in lockdown as fears grow over second wave of virus


first_imgJia county in central Henan province said in a social media post Wednesday that it was tightening restrictions on villages and residential compounds, and was not allowing people to enter or leave their homes without the relevant authorization.Employees will also need permits issued by their companies in order to go to work, and vehicles can only be used on alternate days depending on their number plates.The latest rules were introduced after a woman who visited Jia county tested positive for the deadly virus following interactions with an asymptomatic doctor during her visit.Although new cases have dwindled in China and its central Hubei province at the epicenter of the outbreak, concerns have been growing over a fresh wave of infections from overseas or asymptomatic carriers. The country has in recent weeks started publishing data on a growing number of imported cases — mostly returning Chinese nationals — and on Wednesday started releasing figures on asymptomatic cases.On Thursday, the National Health Commission reported 55 new asymptomatic patients, and it now has 1,075 asymptomatic cases remaining under medical observation. Of this number, 226 were imported.Concerns over a resurgence of the deadly pathogen in China have led to a choppy return to regular life, with some cities re-introducing restrictions after easing rules.Top tourist attractions in China’s financial center Shanghai closed just weeks after reopening, including the Shanghai Tower — the world’s second-tallest building — and indoor attractions such as the Oriental Pearl Tower, Shanghai Ocean Aquarium and Madam Tussauds.Over the weekend, Chinese media reported that Sichuan province shut entertainment spots such as karaoke venues again as well, after a brief reopening. A Chinese county of around 600,000 residents has gone into lockdown after a woman who visited the area tested positive for the coronavirus, underscoring concerns over a second wave of domestic infections.The tightening comes as China reported 35 new confirmed cases on Thursday, drastically down from the peak of the crisis.But they were all imported, bringing the tally of such cases to 841 and adding to fears about infections brought in from overseas.center_img Topics :last_img read more