COVID-19 ‘mu’ Variant Reaches Dallas County

The variant, known as B.1.621, or mu, was added to the World Health Organization’s variants of interest list on Aug. 30. Dallas County health officials have detected five cases of the strain, which has mutations similar to the alpha and gamma variants.

A strain is considered a variant of interest if it causes significant community transmission or has genetic features that indicate it may affect factors, like disease severity and resistance to vaccines or treatment. Variants of interest (VOI) is a step below the variants of concern (VOC), which are circulating more widely.

While health experts say the new variant is not yet a threat, it’s important to monitor the emerging strain. More information about the ‘mu’ variant and 5 things you need to know can be found in this recent article of The Dallas Morning News.


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