Effectiveness of Covid-19 Vaccines over a 9-Month Period in North Carolina

Original Articles
Effectiveness of Covid-19 Vaccines over a 9-Month Period in North Carolina D.-Y. Lin and Others

New England Journal of Medicine
March 10, 2022 Vol. 386 No. 10
https://www.nejm.org/toc/nejm/medical-journal

 

Original Articles
Effectiveness of Covid-19 Vaccines over a 9-Month Period in North Carolina D.-Y. Lin and Others