Vaccines are one of the most important medical advances humanity has ever made, so it’s troubling then that more children in ...

U.S. kindergarten vaccination rates inched down again last year and the share of children with exemptions rose to an all-time high, according to federal data posted Monday. The fraction of kids ...

Some symptoms of chickenpox and monkeypox can appear similar, but there are distinguishing factors. Here's how to tell the difference between the two.

US kindergarten vaccination rates inched down again last year and the share of children with exemptions rose to an all-time high.

A 26-year-old model says what she dismissed as a spider bite quickly spread into adult chickenpox, leaving her isolated for ...

Chickenpox is most common among preschool aged children. The disease causes itchy blisters on the body. Photo: Fredrik Sandberg / TT Starting next year, the chickenpox vaccine will be offered as part ...

A person holds a vial for the Varivax vaccine to protect against chickenpox (varicella) during an immunization event at the L.A. Care and Blue Shield of California Promise Health Plan Community ...

Sweden's government signed a formal amendment to its Communicable Disease Control Regulation this morning, making the chickenpox vaccine part of the national program and legally requiring confirmed ...

In Gaza's stifling summer heat, 19-month-old Retaj can do nothing but cry from the painful lesions that cover her tiny body. Warning: This story contains details and images that some readers may find ...