The WHO has designated Mu a « variant of interest » but the Delta variant is still dominant in the United States.
A variant of COVID-19 that may potentially be resistant to vaccines is now present in almost every U.S. state, the District of Columbia and the U. S Virgin Islands, with prevalence highest in the state of Alaska. The Mu variant – also known as B.1.621 – was classified as a « variant of interest » by the World Health Organization ( WHO) on Monday and cases of the strain had been reported in 47 states by September 1. The variant is now present in every state except Nebraska, according to Outbreak.info, an open-source database from Scripps Research. However, Dr. Anthony Fauci has said Mu is not considered an « immediate threat. » Concerns about Mu stem from its mutations, which may make it resistant to COVID-19 vaccines. However, the Delta variant remains dominant in the U.
