Dec 18, 2021 - Health

WHO: Omicron cases doubling in 1.5 to 3 days in places with local spread

Add Axios as your preferred source to

see more of our stories on Google.

People are seen wearing face masks as they walk in a pedestrian street among shops and Christmas decorations in the city of Cologne, western Germany, on December 18, 2021.

People wear face masks as they walk in a pedestrian street in the city of Cologne, Germany, on Dec. 18. Photo: Ina FassBender/AFP

What to read next