年齢65歳以上の再感染防御率
The Lancet Journal ARTICLES| VOLUME 397, ISSUE 10280, P1204-1212, MARCH 27, 2021Assessment of protection against reinfection with SARS-CoV-2 among 4 million PCR-tested individuals in Denmark in 2020: a population-level observational study Christian Holm Hansen, PhD †Daniela Michlmayr, PhD †Sophie M…
