Booster doses of current vaccines may not be enough: WHO

GENEVA, Jan. 12: The World Health Organization (WHO) said Tuesday that current COVID-19 vaccines may need to be updated if they are to provide continued protection against emerging variants, including Omicron.

WHO's Technical Advisory Group on COVID-19 Vaccine Composition (TAG-CO-VAC), a group of 18 experts, said that although current vaccines provide a high level of protection against severe disease and death caused by Variants Of Concern (VOC), future vaccines that can prevent infection and transmission need to be developed.