Twenty-one people have been infected with E. coli linked to raw milk from a Florida farm, the state health department said on Aug.4.

A stunning sprint in scientific discovery from the 1920s onward basically eradicated communicable diseases such as polio, rubella and measles. Other public health measures have helped Americans live ...

It’s back-to-school season, which means parents are shuttling their kids to pediatricians for annual checkups — and advocates for and against states’ exemptions to vaccine mandates for school entry ...