SEOUL, Aug. 1 (UPI) --While more than 12 billion doses of COVID-19 vaccines have gone into arms around the world and two-thirds of the global population has received at least one shot, the inequity ...

The new intradermal technique requires just a fraction of a vaccine per shot. Some states and jurisdictions are hitting early bumps in their rollout of the U.S. government's new approach to expand ...

The vaccine works best when the series is started early (around ages 11 or 12) but in 2018, the FDA expanded its approval to include adults up to age 45, showing that it can still provide protection ...