Scientists at Seattle’s Fred Hutchinson Cancer Research Center have found a class of cells they think suppresses herpes. This could explain why some people have no symptoms or lesions when the virus is reactivated. It also changes the way scientists understand how the virus works.
Public health experts are now recommending that pregnant women get the vaccine for whooping cough during pregnancy. The recommendation is in response to the growing outbreak of the disease in the U.S. So far, there are more than 32,000 reported cases of whooping cough across the country. If the trend holds, it’s on track to be the highest number of cases since 1959.