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Karen Maynard, a laboratory scientist, prepares COVID-19 samples for genome sequencing at the Tennessee public health lab in Nashville, Tenn., Tuesday, Sept. 14, 2021.
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CNN  — 

For the first time in two months, the US is averaging more than 100,000 new Covid-19 cases each day, shortly after millions of Americans traveled for the Thanksgiving holiday.

The seven-day moving average of new cases was 121,437 as of Saturday, according to data from Johns Hopkins University (JHU). Prior to this week, the US last topped the 100,000-cases-a-day mark in early October.

Dr. Manjul Shukla transfers Pfizer COVID-19 vaccine into a syringe, Thursday, Dec. 2, 2021, at a mobile vaccination clinic in Worcester, Mass. As the U.S. recorded its first confirmed case of the omicron variant, doctors across the country are experiencing a more imminent crisis with a delta variant that is sending record numbers of people to the hospital in New England and the Midwest. (AP Photo/Steven Senne)
Dr. Manjul Shukla transfers Pfizer COVID-19 vaccine into a syringe, Thursday, Dec. 2, 2021, at a mobile vaccination clinic in Worcester, Mass. As the U.S. recorded its first confirmed case of the omicron variant, doctors across the country are experiencing a more imminent crisis with a delta variant that is sending record numbers of people to the hospital in New England and the Midwest. (AP Photo/Steven Senne)
Steven Senne/AP

Omicron variant cases identified in at least 12 states but Delta still dominates

Also on the rise is the number of Covid-19 deaths, with a seven-day average of 1,651 people dying from the virus each day as of Saturday, the JHU data showed. Average daily deaths haven’t been this high in more than a month.

The vast majority of new cases in the