Repeating booster doses of the original Covid-19 vaccines is not a viable strategy against new coronavirus variants and current vaccines need to be reworked to ensure they are effective, said experts.
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 .
Geneva, Switzerland WHO experts warned Tuesday that repeating booster doses of the original Covid vaccines is not a viable strategy against emerging variants and called for new jabs that better protect against transmission.
Pfizer's COVID-19 vaccine (AFP/ MANILA BULLETIN FILE) An expert group
GENEVA, Jan 12 WHO experts warned yesterday that repeating booster doses of the original Covid vaccines is not a viable strategy against emerging variants and called for new jabs that better protect against transmission. An expert group created by the World Health Organisation to assess the.
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.