The Pfizer Covid-19 vaccine has proven 94 percent effective in a study involving 1.2 million people in Israel, the first peer-reviewed real world research confirming the power of mass immunization...
from NDTV News - Topstories https://ift.tt/3bw4Obe
from NDTV News - Topstories https://ift.tt/3bw4Obe
Comments
Post a Comment