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1、CMAJNewsNewcoronaviruswith“pandemicpotential”sparksglobalsurveillanceeffortsnovelcoronavirus(nCoV)withwhatoneCanadianresearcherAcallsa“veryalarming”deathratehastriggeredrapidresearcheffortstodeterminewhereitcamefromandwhereitmaystrikenext.TwoCana-dianresearchteamsareamongthoseinvolved
2、intheglobalresponse.AsofMar.26,theWorldHealthOrganization(WHO)hadbeeninformedof17confirmedcasessinceApril2012,withnineresultingdeaths(foramortal-ityrateof56%).Mostcases(11)wereinSaudiArabia,Qatar,UnitedArabEmi-ratesandJordan,althoughthreewereintheUnitedKingdom.TheprimaryUKpatienthadre
3、centlytravelledtoSaudiArabiaandPakistan,andwasthesourceofinfectionfortwopeopleinhishouse-hold,confirminghuman-to-human2013Thinkstock©transmissionofthevirus.Canadaiscurrentlyatlowriskforthenovelcoronavirus,butthatcouldchange.Canada,however,iscurrentlyatlowriskforthevirus,saysDr.Kamranp
4、ilgrimstothecountry(JTravelMedOntario,agreesthatsurveillanceisKhan,aninfectiousdiseasephysician2010;17:75-81).Khan’sfiguresindicateessential.Anexpertinemerginginfec-andscientistatSt.Michael’sHospitalthatCanadareceivesonly0.5%oftrav-tiousdiseaseswithresearchprogramsininToronto,Ontario.
5、Still,hesays,“It’sellersleavingtheSaudiArabiaregion,Canada,ChinaandEurope,Kelvinisfairtosaythatthishaspandemicpoten-andtheUnitedStatesonly2%.workingwithinternationalcolleaguestotial.WhetheritwillevolveintooneOfmoreconcernisthat25%oftrav-setupsurveillancestudiesinfourglobaldependsonman
6、ythings.”ellersleavingtheSaudiArabiaregionregionstoscreenforcoronavirusesandKhansaystwoaspectscouldleadtotraveltoIndia,PakistanandBangladesh,determineinfectionrates.apandemic:human-to-humantrans-and13%traveltoEgypt.“Countries“Withoutarigoroussurveillancemissionandthepossibilitythatcas
7、esthatarelow-income,developingandprogram,wedonotknowtheentirehaveescapeddetectiontodate.“Wewithoutrobustpublichealthsystemsnumberofinfections.Therefore,wedomightbelookingatthetipoftheice-receivealargeproportionofthetravel,”notknowthedenominatorforcalculat-berg,onlyseeingthosewithserio
8、usexp
