December 21, 2021

GENEVA, Dec 20 (Reuters) - The Omicron variant of the coronavirus is spreading faster than the Delta variant and is causing infections in people already vaccinated or who have recovered from the COVID-19 disease, the head of the World Health Organization (WHO) said on Monday.

WHO chief scientist Soumya Swaminathan added it would be "unwise" to conclude from early evidence that Omicron was a milder variant that previous ones.

"... with the numbers going up, all health systems are going to be under strain," Soumya Swaminathan told Geneva-based journalists.

Read more:

https://www.reuters.com/world/omicron-spreading-infecting-vaccinated-who-2021-12-20/