Existing vaccines should still protect people who contract the Omicron variant from severe Covid cases, a World Health Organization (WHO) official says.
The World Health Organization (WHO) has warned that the new Corona variant Omicron is spreading rapidly and devaluing it could destabilize the health system.
The World Health Organization (WHO) has warned that the new Corona variant Omicron is spreading rapidly and devaluing it could destabilize the health system.