tube of blood labeled positive for COVID-19 Mu variant
What We Know About Mu, the WHO’s Latest Variant of Interest
The SARS-CoV-2 variant was first detected in January, but its rising prevalence and potential resistance to vaccines has garnered it special attention from the World Health Organization.
ABOVE: © ISTOCK.COM, JARUN011
What We Know About Mu, the WHO’s Latest Variant of Interest
What We Know About Mu, the WHO’s Latest Variant of Interest

The SARS-CoV-2 variant was first detected in January, but its rising prevalence and potential resistance to vaccines has garnered it special attention from the World Health Organization.

The SARS-CoV-2 variant was first detected in January, but its rising prevalence and potential resistance to vaccines has garnered it special attention from the World Health Organization.

ABOVE: © ISTOCK.COM, JARUN011
variants of interest
Black and white world map, with lines connecting red areas that indicate COVID-19 hotspots, along with overlaid drawings of SARS-CoV-2.
WHO Updates the Nomenclature of SARS-CoV-2 Variants
Lisa Winter | Jun 1, 2021
Rather than being described by the location of where they emerged or an alphanumeric code, variants will be given a Greek letter.