Pfizer’s Covid-19 Vaccine 73% Effective In Kids Under 5 Years
Los Angeles: The Pfizer-BioNTech Covid-19 vaccine was 73 per cent effective in protecting children ages 6 months through 4 years during ...
Tag: Pfizer-BioNTech Covid-19 vaccine
Los Angeles: The Pfizer-BioNTech Covid-19 vaccine was 73 per cent effective in protecting children ages 6 months through 4 years during ...