Scarlet fever, a disease of yore, is making a comeback in parts of the world
Wales and England recorded the highest number of cases there in a half-century last year, and South Korea, Vietnam, and China have also seen surges.
Scarlet fever, a disease that struck fear into the heart of parents when cases surged in the days of yore, appears to be making an unexpected and puzzling comeback in parts of the world.
England and Wales have seen a substantial rise in scarlet fever cases starting in 2014. The number of cases tripled from 2013 and continued to increase in 2015 and 2016, with England and Wales last year recording the highest number of cases there Monday in the journal Lancet Infectious Diseases.
