future variants may require a modified vaccine as the virus mutates to increase its infectivity Archives - The Rio Times

Home Tags Future variants may require a modified vaccine as the virus mutates to increase its infectivity

Scientists in Israel find South African variant limits efficacy of Pfizer Covid-19 vaccine

Scientists in Israel find South African variant limits efficacy of Pfizer Covid-19 vaccine

Iolanda Fonseca -

March 25, 2021