Coronavirus: Infection down 75% after first Pfizer shot
“This is the first study assessing effectiveness of a single vaccine dose in real life conditions."
Sheba Medical staff members receive the second round of the COVID-19 vaccine, at the Sheba Medical Center, Tel Hashomer, January 10, 2021(photo credit: MIRIAM ALSTER/FLASH90)ByMAAYAN JAFFE-HOFFMAN