Covid-19 Variant mu Detected in 49 States

The coronavirus variant mu has been detected in 49 U.S. states. 

  • Also known as the B.1.621 variant, the strain was first discovered in January in Colombia. 
  • Along with the 49 U.S. states and District of Columbia having evidence of the strain, it also is appearing in 42 countries.
  • The only U.S. state not yet affected by the mu variant is Nebraska.
  • So far, the mu variant has been most logged in the state of California.  

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