The US Centers for Disease Control and Prevention changed its recommendations for Covid-19 vaccines Thursday to make clear that shots made by Moderna and Pfizer/BioNTech are preferred over Johnson & Johnson's vaccine.
원문출처 : https://www.cnn.com/2021/12/16/health/johnson-vaccine-acip-recommendation-mrna-preferred/index.html
원문출처 : https://www.cnn.com/2021/12/16/health/johnson-vaccine-acip-recommendation-mrna-preferred/index.html