New documents show the monkey virus is present in more recent polio vaccine

by William Carlsen­San Fran­cis­co Chron­i­cle A mon­key virus linked to human can­cers may have con­t­a­m­i­nat­ed the oral polio vac­cine for years after the U.S. gov­ern­ment ordered man­u­fac­tur­ers to remove it, accord­ing to drug com­pa­ny doc­u­ments obtained by The Chron­i­cle. The Chron­i­cle report­ed last week that the simi­an virus SV40 had con­t­a­m­i­nat­ed ear­ly polio vac­cine giv­en … Con­tin­ue read­ing New doc­u­ments show the mon­key virus is present in more recent polio vac­cine