Thailand plans to mix Sinovac and AstraZeneca Covid-19 vaccines. Critics say that’s risky
Thailand plans to mix Sinovac and AstraZeneca Covid-19 vaccines. Critics say that’s risky
A virologist and adviser to Thailand’s government on Tuesday endorsed a plan to mix doses of the coronavirus vaccines of AstraZeneca and Sinovac, amid some public unease about use of the largely untested strategy.