Which is the safest first shot of COVID-19 vaccine?


Coronavirus (COVID-19) vaccines

COVID-19 vaccine. Photo by Daniel Schludi on Unsplash



Which is the safest first shot of COVID-19 vaccine?


Millions of people globally who have had one shot of the two-dose COVID-19 vaccines await the second. Apart from Johnson & Johnson’s Janssen vaccine, which is a single dose, which of the other two-doses vaccines – Pfizer-BioNTech, Moderna, Oxford-AstraZeneca, Sputnik V, Sinovac, Siinopharm, and Novavax COVID-19 vaccine​s give the safest shot of COVID-i9.

A single shot of AstraZeneca gives at least 70% effective protection at preventing symptomatic COVID-19 while Pfizer-BioNTech and Moderna are about 80% and Chinese Sinopharm is about 79% effective against symptomatic COVID-19. Another Chinese COVID-19 vaccine. Sinovac is at about 65.9%.



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