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DECEMBER 1, 2021

First U.S. Case of Omicron Variant Confirmed

Originally published by our sister publication, Infectious Disease Special Edition

The California and San Francisco Departments of Public Health confirmed that a recent case of COVID-19 among an individual in California was caused by the omicron variant (B.1.1.529). This is the first confirmed U.S. case of COVID-19 by the new variant of concern.

Today, President Biden will announce new actions to combat the emergence of a new variant. These include:

  • Boosters for all adults
  • Vaccinations to