Omicron is not mild and is crushing health care systems worldwide, WHO warns

Enlarge / World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus speaks during a press conference on December 20, 2021, at the WHO headquarters in Geneva. (credit: Getty| Fabrice Coffrini)

The World Health Organization on Thursday pushed back against the consistent chatter that the ultra-transmissible omicron coronavirus is "mild," noting that the variant is causing a "tsunami of cases" that is "overwhelming health systems around the world."

"While omicron does appear to be less severe compared to delta-especially in those vaccinated-it does not mean it should be categorized as 'mild,'" WHO Director-General Dr. Tedros Adhanom Ghebreyesus said in a press briefing Thursday. "Just like previous variants, omicron is hospitalizing people, and it is killing people."

The warning comes as the US is still experiencing a vertical rise in cases and hospitalizations from the quick-spreading variant. In the week ending on January 1, omicron was estimated to account for 95 percent of all cases in the US, according to the latest analysis by the US Centers for Disease Control and Prevention. The delta variant, which was making up over 99 percent of US cases as recently as the week ending on December 4, has now been relegated to just 5 percent of cases.

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