Pfizer signs up children ages 12 to 15 for vaccine testing
Pfizer Inc said on Friday it had finished enrolling children aged 12 to 15 in a study testing its COVID-19 vaccine, as the U.S. drugmaker seeks to expand the shot's use. The study,…
Pfizer Inc said on Friday it had finished enrolling children aged 12 to 15 in a study testing its COVID-19 vaccine, as the U.S. drugmaker seeks to expand the shot's use. The study,…