South Korea Says AstraZeneca, Pfizer COVID-19 Vaccines 87% Effective After First Shot
One dose of COVID19 vaccines from AstraZeneca Plc and Pfizer was 86.6% effective in preventing infections among people aged 60 and older, real world data released by South Korea showed on Wednesday.
from Top World News- News18.com https://ift.tt/3ukD2GZ
from Top World News- News18.com https://ift.tt/3ukD2GZ
South Korea Says AstraZeneca, Pfizer COVID-19 Vaccines 87% Effective After First Shot
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