What policy makers need to know about COVID-19 protective immunity.
Lancet. 2020 May 16;395(10236):1527-1529. doi: 10.1016/S0140-6736(20)30985-5. Epub 2020 Apr 27.
Lancet. 2020.
PMID: 32353328
Free PMC article.
No abstract available.