Health Experts are Watching a More Dangerous Version of Mpox
Cases of a new group of mpox viruses are rising, potentially posing a risk to people around the world, according to health officials at the U.S. Centers for Disease Control and Prevention (CDC). So far, the cases have been centered in the Democratic Republic of Congo (DRC) and have not spread beyond Central African countries where the virus remains endemic, the CDC wrote in a report on May 16. But health officials are concerned because this group of viruses—known as clade I mpox viruses—is known to cause more severe illness than the clade II viruses responsible for the previous mpox outbreaks in 2022, which originated in Nigeria. Clade I mpox viruses have a higher fatality rate—killing anywhere from 1.4% to more than 10% of infected people—than clade II, which has a 0.1% to 3.6% mortality ...










