Federal health regulators said late Friday that kid-size doses of Pfizer's COVID-19 vaccine appear highly effective at preventing symptomatic infections in elementary school children and caused no unexpected safety issues, as the U.S. weighs beginning vaccinations in youngsters.

WASHINGTON — Millions more Americans are closer to getting a COVID-19 booster as influential government advisers on Thursday endorsed extra doses of all three of the nation's vaccines — and opened the possibility of choosing a different company's brand for that next shot.

WASHINGTON — Children ages 5 to 11 will soon be able to get a COVID-19 shot at their pediatrician's office, local pharmacy and potentially even their school, the White House said Wednesday as it detailed plans for the expected authorization of the Pfizer shot for elementary school youngsters…

NEW YORK — Mask rules, vaccination mandates and business shutdowns have all landed in the courts during the COVID-19 outbreak, confronting judges with questions of science and government authority. Now they are increasingly being asked to weigh in on the drug ivermectin.