Pfizer says COVID vaccine is highly effective against Delta variant
By Maayan LubellJERUSALEM, June 24 (Reuters) - The Pfizer-BioNTech >PFE.N< vaccine is highly effective against the Delta variant of COVID-19, a Pfizer...
By Maayan LubellJERUSALEM, June 24 (Reuters) - The Pfizer-BioNTech >PFE.N< vaccine is highly effective against the Delta variant of COVID-19, a Pfizer...