Omicron Variant December 6, 2021 3:44 pm

Are COVID Booster Shots Effective Against Omicron? Chicago's Top Doctor Weighs In

“Natural immunity, that doesn’t seem to be holding,” said Chicago Department of Public Health Commissioner Dr. Allison Arwady discussing the rapidly spreading omicron COVID-19 variant. She emphasized that early case studies are suggesting the importance of COVID booster shots.

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