With the rollout of vaccines earlier this year, the concept of “herd immunity”—the idea that enough people would become immune to COVID-19 that we could more or less “return to normal”—seemed plausible. But a number of factors are complicating the…
With the rollout of vaccines earlier this year, the concept of “herd immunity”—the idea that enough people would become immune to COVID-19 that we could more or less “return to normal”—seemed plausible. But a number of factors are complicating the…
CDC “美서 코로나 항체 보유 인구 83%”… 백신 접종율보다 높다 According to the U.S. Centers for Disease Control and Prevention… 83 percent of the country’s population aged over 16 have some level of immunity against COVID-19. The center conducted a…
If you had COVID-19 do you still need the vaccine? How long should you wait after recovery to get vaccinated? What do we know about natural immunity vs vaccine induced immunity? WHO’s Chief Scientist Dr Soumya Swaminathan explains in Science…