Booster doses of current Covid-19 vaccines may not be enough: WHO

The WHO has said that current Covid-19 vaccines may need to be updated if they are to provide continued protection against emerging variants, including Omicron

The World Health Organisation (WHO) has said 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, on Tuesday 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.

In the meantime, the composition of current Covid-19 vaccines may need to be updated in order to protect against the…read more