https://apnews.com/c045dcf8099d8bbe4144ce61bd8e1a6a > AMSTERDAM (AP) — The European Union’s drug regulator gave its backing Monday to administering booster shots of the Pfizer-BioNTech COVID-19 vaccine for people 18 and older. > The European Medicines Agency said the booster doses “may be considered at least 6 months after the second dose for people aged 18 years and older.”