Vaccine advisers to the US Food and Drug Administration declined Friday to recommend the agency approve Covid-19 booster doses for everyone who got vaccinated six months ago or longer.
원문출처 : https://www.cnn.com/2021/09/17/health/fda-advisers-booster-five-things/index.html
원문출처 : https://www.cnn.com/2021/09/17/health/fda-advisers-booster-five-things/index.html