We need a randomized study of the UK’s decision to defer second doses of the mRNA vaccine
Photo by John Cameron on UnsplashJust a few days before the UK began its roll-out…
Sheila M. BirdFebruary 11, 2021
How do epidemiologists know how many people will get Covid-19?
How many people are infected now with the novel coronavirus, SARS-CoV-2? How many will be…
