A health worker administers a dose of the Pfizer-BioNTech vaccine against Covid-19, to a man at the Medalla Milagrosa Church in Valparaiso, Chile, on April 6,...
President Joe Biden puts his hand on a man’s shoulder during a visit to a coronavirus disease (COVID-19) vaccination site at Virginia Theological Seminary in Alexandria,...
The rate of new U.S. coronavirus cases remains elevated as the country tries to ramp up its vaccination campaign following the distribution halt of Johnson &...
As public health officials race to vaccinate Americans amid the rapid spread of viral variants, physicians and scientists are turning their attention to a growing population...
We all know that the vaccines being delivered around the world right now work by protecting us from getting Covid. But what we still don’t know...