Global covid-19 vaccine rollout and safety surveillance—how to keep pace
Canada: Pfizer, Moderna preferred 2nd dose after AstraZeneca
18 June 2021System linked to operational hospitals, shorter lockdowns, lives saved
18 June 2021Global covid-19 vaccine rollout and safety surveillance—how to keep pace
The first vaccines against the novel pathogen SARS-CoV-2 were deployed just nine months after the covid-19 outbreak was declared a global pandemic. Several types of covid-19 vaccines have been…
