Covid updates: Global cases top 100 million as mutations add to spread

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Minnesota on Monday confirmed the first U.S. case of the more contagious Covid variant originally found in Brazil. With new strains of the coronavirus being identified, President Joe Biden on Monday banned entry for most non-U.S. citizens traveling from South Africa and extended travel restrictions for Europe, the U.K. and Brazil.

Some health officials are concerned that current Covid-19 vaccines may not be as effective against the new, more contagious strains of Covid. Moderna on Monday said company research found its vaccine appears to work against the highly transmissible strain found in the U.K. and it is accelerating work on a booster shot to guard against the South Africa variant.

Here are some of the biggest developments Tuesday:

The U.S. is recording at least 170,700 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 100.09 million 
  • Global deaths: At least 2.15 million
  • U.S. cases: More than 25.40 million
  • U.S. deaths: At least 424,164