One dose of Pfizer vaccine may protect COVID-19 victims from reinfection: study https://t.co/urEaQkXN65
— Jas (@jas9) Aug 8, 2021
One dose of Pfizer vaccine may protect COVID-19 victims from reinfection: study https://t.co/urEaQkXN65
— Jas (@jas9) Aug 8, 2021