The Centers for Disease Control and Prevention (CDC) today announced the United States' first case of COVID-19 caused by the Omnicron (B.1.1.529) variant.The case-patient traveled to South Africa and returned to the San Francisco area on Nov 22.
According to the CDC, the patient is self-isolating at home. The person was fully vaccinated and experienced mild symptoms of the virus.
All close contacts have tested negative.During a press briefing today at the White House, chief medical advisor Anthony Fauci, MD, said the patient was improving.
He said he did not believe the patient had received a booster dose of vaccine, and this is still the only case currently suspected to be caused by the variant in the country."We knew that it was just a