Israel National NewsIsraeli NewsHerd immunity? Vaccine may not protect against new variantsHerd immunity? Vaccine may not protect against new variantsResearcher at Bar Ilan U. says results of virus vaccinations don't provide sufficient info on whether treatment can stop spread of virus.ILTV Feb 6, 2021, 7:57 PM (GMT+2)vaccineCoronavirusTrendingHerd immunity Found a mistake? Contact us