You Know Delta, but Have You Met Mu and the Rest of the Relatives?
Viruses mutate. Researchers say there always will be new variant strains of the COVID-19 virus, although all the strains won’t be as deadly as delta. The delta strain has made COVID more deadly for the unvaccinated. It is responsible for 90% of the 40 million COVID cases in the U.S and the deaths of 648,000 people, according to the Centers for Disease Control and Prevention. It spreads much faster and may cause more severe cases than other variants, according to the CDC. The delta strain is not alone. There are many variants being studied by researchers and scientists. Last Friday, the World Health Organization added the mu strain to its list of COVID variants of interest. It joins eta, iota, kappa and lambda on the list. Read more.