https://ift.tt/2wwdHAe China’s latest vaccine is made from hamster ovary cells. internal-essential, Coronavirus (2019-nCoV), Vaccination and Immunization The vaccine has several drawbacks. One is that it does not produce many T-cells, which help clear infected cells and prevent them from spreading. BY SUI-LEE WEE https://ift.tt/3lnRLgs March 17, 2021 at 06:12AM

By BY SUI-LEE WEE from NYT World https://ift.tt/3ttOFKQ