Asian Tribune Your Multilingual Newspaper covering World and local news News
Beijing: China’s CanSino Biologics Inc said the efficacy rate for its single-dose Covid-19 vaccine may fall over time although it should still have a rate of 50% or more five to six months after inoculation. A second shot given to trial participants six months after their first injection could offer …
Read More »CanSinoBIO says Covid-19 shot may be less effective over time, booster shot promising, Health News, ET HealthWorld
