@theconversation.com 2 years ago Do I need a booster vaccine if I recently had COVID? What if I'm not sure what I had?
@nytimes.com 3 years ago Most People Don't Need a Covid Vaccine Booster, New Review Says
@theguardian.com 4 years ago Coronavirus live news: India reports record new deaths; 60% of all vaccine doses given in just three countries