Are some COVID-19 vaccines more effective than others?

Sumary of Are some COVID-19 vaccines more effective than others?:

• Said Dr. Monica Gandhi of the University of California, San Francisco, citing study results for five vaccines used around the world and a sixth that still in review..
• Still, people might wonder if one is better than another since studies conducted before the vaccines were rolled out found varying levels of effectiveness..
• Studies for those shots counted a COVID-19 case whether it was mild, moderate or severe — and were conducted before worrisome mutated versions of the virus began circulating….

Want to know more click here go to source.

From AP News - April 8, 2021