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esininoculatedpeople,butitremainedunknownifthatwassufficienttopreventCOVID-19infection,researchersdevelopingthevaccinesaidinthepaper. Sinopharm'schairmants

oldmedialastmonththatapotentialvaccinecouldbereadybytheendofthisyearwithPhase3testingexpectedtobecompletedinaboutthreemonths. Thenovelcoronavirus,whichhaskilledmorethan750,000peopleglobally,haspromptedaracetodevelopavaccine.Morethan150candidatevaccinesarebeingdevelopedandtestedaroundtheworld. Russiabecamethefirstcountrytograntregulatoryapprovaltoavaccineafterlessthantwomonthsofhumantesting,andashotdevelopedbyChinesefirmCanSinoBilogicshasbeenclearedforuseinthemilitary. ChinaisleadingthedevelopmentofatleasteightvaccinecandidC

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