The World Health Organization (WHO) said Tuesday that it “strongly supports” the administration of COVID-19 booster doses, reversing its previous stance that boosters were not necessary for healthy people who are fully vaccinated. WHO said in its updated vaccine advisory that “current COVID-19 vaccines for primary series and booster doses” provide high levels of protection against severe disease and death, even in the context of the spread of Omicron. The health organization appeared to reverse its previous statement, in which it opposed the widespread rollout of booster shots and stated that it should be based on evidence of individual and obligations to secure global equity in vaccine access. Tedros Adhanom Ghebereyesus, WHO’s director-general, last year called for a moratorium on booster shots for healthy adults through the end of 2021 to counter the “profound inequity” in global vaccine access. “But for now, we do not want to see widespread use …