Despite worries about Omicron, CDC chief says 99.9% of U.S. COVID-19 cases are from Delta

A week after concerns were first raised about the Omicron variant, Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention, said on Friday that 99.9% of COVID-19 cases in the U.S. continued to be from the Delta variant.

Video Transcript

ROCHELLE WALENSKY: I know that the news is focused on Omicron, but we should remember that 99.9% of cases in the country right now are from the Delta variant. Delta continues to drive cases across the country, especially in those who are unvaccinated. So, here's what's important to know.

Our recommendations for protecting against COVID remain the same, regardless of the variant. Our best protection against COVID-19 is our proven layered prevention strategies. This includes getting vaccinated, if you have not already, and getting a booster dose, if you are eligible, along with wearing a mask in public indoor areas, frequently washing your hands, improving ventilation, physical distancing, and increased testing to slow transmission of the virus.