Omicron variant now present in 63 countries, might surpass Delta in spreading speed: WHO

"As of December 9, 2021, cases of human infections with this variant have been identified in 63 countries across all six WHO regions," read the overview by the WHO, reported Sputnik.

Geneva: The World Health Organization (WHO) has warned that the new Omicron coronavirus strain which is now present in 63 countries, will surpass Delta in spreading speed.

"As of December 9, 2021, cases of human infections with this variant have been identified in 63 countries across all six WHO regions," read the overview by the WHO, reported Sputnik.

It is not clear yet, why the new strain is spreading so fast, the organization added.