If you have been lucky or prepared enough to dodge the latest wave of COVID-19, public health officials say now is a good time to get another shot. The U.S. Food and Drug Administration just approved two new versions of the coronavirus vaccine, and pharmacies and doctors’ offices are loading up. Public health officials say the virus has proven adept at changing, so a booster offers some protection from the disease, plus protects any vulnerable people in your life and helps fend off long COVID.