Pfizer vaccine 65% effective against Delta variant, Israeli study finds
Dr. Shika Jain, from the University of Illinois at Chicago, talks about an Israeli study's findings that the Pfizer vaccine is 65% effective against the Delta variant.
COVID-19 Delta Variant
Latest information about the COVID-19 Delta variant, which the head of the Centers for Disease Control and Prevention says is more aggressive and transmissible than earlier strains of the virus.
