Covid updates: Salesforce says most workers will work from home at least part time after pandemic

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The spread of Covid-19 appears to be slowing in the U.S. as the nation's seven-day average of new cases was 110,854 as of Monday, down 24% from the prior week, according to Johns Hopkins University data. But Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention, has warned new, highly contagious Covid variants could reverse the recent decline in U.S. cases and hospitalizations. U.S. health officials are also concerned that Covid mutations could potentially evade the protection of vaccines currently being distributed.

Here are some of the biggest developments Tuesday:

The U.S. is recording at least 110,800 new Covid-19 cases and at least 3,100 virus-related deaths each day, based on a seven-day average calculated by CNBC using Johns Hopkins University data.

The following data was compiled by Johns Hopkins University:

  • Global cases: More than 106.74 million
  • Global deaths: At least 2.33 million
  • U.S. cases: More than 27.16 million
  • U.S. deaths: At least 466,991