By Jessica Schladebeck New York Daily News | Sunday, November 28, 2021, 12:05 a.m.
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Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, speaks with Health and Human Services Secretary Alex Azar before receiving his first dose of the COVID-19 vaccine at the National Institutes of Health on Dec. 22, 2020 in Bethesda, Maryland. (Patrick Semansky/Pool/Getty Images/TNS)
The omicron variant, a new strain of COVID-19 triggering panic worldwide, could already be in the United States.