Seventy-one years ago this month, Dr. Jonas Salk, a virologist at the University of Pittsburgh, administered the first polio vaccine to children at Arsenal Elementary School, in Pittsburgh. Salk had ...

Following a measles outbreak in Texas, officials are monitoring the spread of measles. Here's what to know in Virginia.

Some parents are concerned about the recent confirmation of Robert F. Kennedy Jr., who has a history of anti-vaccine views, to oversee the nation’s health department.

Texas public health officials estimated that a measles outbreak had likely spread to between 200-300 people, across five ...

For most children, illnesses like measles or the flu are unpleasant but manageable. A fever, a rash, some time home from ...