A World Health Organization technical body said on Tuesday that current COVID-19 vaccines may need to be reworked to ensure they are effective against Omicron and future variants of the coronavirus.
The technical group, made up of independent experts, said it would consider a change in vaccination composition and stressed that shots needed to be more effective in protecting against infection.Register now for FREE unlimited access to Reuters.comprovide WHO-recommended levels of protection against infection
"COVID-19 vaccines need to...elicit immune responses that are broad, strong, and long-lasting in order to reduce the need for successive booster doses," it added. However, the statement stopped short of advocating an Omicron-specific vaccine at this stage, saying more research was required and urging manufacturers to share data.
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