Pfizer has expanded its COVID-19 vaccine trial to include teens. Some say it's risky. Others argue it's necessary. - US News and Sports

Saturday, October 24, 2020

Home Latest News Pfizer has expanded its COVID-19 vaccine trial to include teens. Some say it's risky. Others argue it's necessary.

Pfizer has expanded its COVID-19 vaccine trial to include teens. Some say it's risky. Others argue it's necessary.

After months of testing its COVID-19 candidate vaccine in adults, Pfizer recently lowered the age of participation to 16.