Health officials are warning emergency wards about the circulation of Haemophilus influenzae type b (Hib) among homeless adults living in Calgary.

Unlike many of the state’s other required vaccines, Florida’s Health Department can drop these four required shots without legislative approval.

Measles is one of the most contagious diseases known, capable of spreading through the air and lingering for hours in shared ...

As federal officials cast doubt on the childhood vaccine schedule, it's helpful to know how it was established.

The Trump administration's deep cuts in U.S. foreign health aid had a devastating impact. Yet there were achievements of note ...

TALLAHASSEE – Florida’s surgeon general wants to do away with all state vaccine mandates. But the first step in his plan ...

William Truswell, MD, FACS, operates his own cosmetic and reconstructive facial surgery practice. Dr. Truswell was the first in his area in Western Massachusetts to have an accredited private office ...

Allergies and sinus infections can both affect your nasal passages and cause symptoms like congestion. But they’re two separate conditions with distinct causes and treatments. Allergies occur as a ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Viral infection is the invasion of the body by a small agent known as a virus. Viruses replicate inside host cells and can produce toxins that cause disease. The immune system helps to destroy viruses ...

Infection is the invasion by and multiplication of 'foreign' microorganisms that can cause pathological conditions or diseases in the host organism. Amino acid starvation of Borrelia burgdorferi does ...