WHO warns of 'tsunami of cases' from Omicron, Delta
A medical worker holds a door open for a woman at the entrance of a COVID-19 assessment center in Toronto, Canada, on Dec. 28, 2021. Canada reported 22,219 new COVID-19 cases Tuesday noon, raising the cumulative whole to 2,057,489 cases with 30,199 deaths, according to CTV. (Photo by Zou Zheng/Xinhua) GENEVA - The World Health Organization (WHO) cautioned on Wednesday that the more transmissible Omicron together with the currently circulating Delta variants might lead to "a tsunami of cases," putting immense pressure on national health systems. Recapping WHO's response since the ...