Pfizer-BioNTech COVID-19 vaccine appears safe, effective in younger kids, expert says

Although he cautions Pfizer-BioNTech has yet to release the raw data supporting the claim that its COVID-19 vaccine is safe and effective in kids aged 5-11, it's 'reasonable' to assume that's accurate, says Dr. Christopher Labos, a cardiologist with a degree in epidemiology.