WHO says COVID boosters needed, reversing previous call

A healthcare worker administers an AstraZeneca booster shot for COVID 19 at a vaccination center in Guatemala City, Tuesday, March 1, 2022. (AP Photo/Moises Castillo)

GENEVA — An expert group convened by the World Health Organization said Tuesday it “strongly supports urgent and broad access” to booster doses of COVID-19 vaccine amid the global spread of omicron, capping a reversal of the U.N. agency’s repeated insistence last year that boosters weren’t necessary and contributed to vaccine inequity.