WASHINGTON, United States (AFP) — A person who has had Covid and receives a single dose of the Pfizer or Moderna vaccines is equally or better protected than someone who never had Covid and got two doses, according to a study. “We hope this data… will help shape more nuanced vaccine policy,” co-author Viviana Simon, a professor of microbiology at the Icahn School of Medicine at Mount Sinai in New York told AFP Thursday. For […]