New coronavirus boosters are just around the corner following authorization by federal regulators and a recommendation from the Centers for Disease Control and Prevention. The updated shots are designed to provide a stronger shield against the BA. 4 and BA. 5 omicron subvariants still causing tens of thousands of infections and hundreds of deaths every day in the United States.
The boosters will be part of a campaign by the federal government, to be kicked off within days, to persuade Americans to bolster their immune defenses before a potential surge in covid-19 cases as cooler weather arrives in the fall. Food and Drug Administration officials say some forecasting models predict an increase in cases in coming months, with a peak in late November or early December.
But the updated boosters have generated some controversy and confusion. Here’s what you need to know: