AUSTIN (KXAN) — We’re learning more about exactly how the Pfizer COVID-19 vaccine works from research scientists at the University of Texas at Austin who helped develop it. “The way the Pfizer vaccine ...

With three coronavirus vaccines already approved for emergency use authorization in the U.S., how do the different available shots compare? Pfizer and Moderna's COVID vaccines have been available in ...

On December 18, a San Diego emergency room nurse was given a shot of the COVID-19 vaccine. A week later, he tested positive for the virus, CNN affiliate KGTV reported. Stories like this will become ...