25 states report Omicron COVID-19; most cases mild




In the first week of December, 43 cases of COVID-19 caused by the Omicron (B.1.1.529) variant were identified in the United States, and almost all were mild, according to data presented today by the Centers for Disease Control and Prevention (CDC).

Thirty-four of the patients were fully vaccinated against COVID-19, 14 had been boosted, and 6 had reported previous COVID-19 infections. One person, who was fully vaccinated, required hospitalization, but none of the Omicron patients died.

Twenty-five patients (58%) were 18 to 39 years old, and 14 (33%) reported international travel during the 2 weeks prior to symptom onset.

The details on these first US Omicron patients were published in Morbidity and Mortality Weekly Report (MMWR).

Possibility of overwhelming hospitals

Though case number are small, the CDC warned, “Even if most infections are mild, a highly transmissible variant could result in enough cases to overwhelm health systems. The clinical severity of infection with the Omicron variant will become better understood as additional cases are identified and investigated.”



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