You can get the flu by coming into contact with droplets and aerosols released by people with the virus, Dr. Russo says. It’s ...

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

ANSWER: Both colds and influenza (the “flu”) are respiratory illnesses that are caused by viruses. Influenza is caused specifically by the influenza viruses, which come in two main types (A and B).

The mosquito is the world’s deadliest animal, and dangerous infections have been in U.S. headlines this summer. The most common mosquito-borne viruses in the U.S. are West Nile and EEE, though an ...

BOSTON - Dr. Mallika Marshall is answering your medical questions. If you have a question, email her or message her on Facebook or Twitter. Harriet asks, "What is the difference between an upper ...

World AIDS Day highlights the ongoing fight against HIV/AIDS and reinforces the need for strong, community-led, and resilient health systems ...

Allergic rhinitis (allergies or hay fever) and sinusitis (sinus infections) can cause similar symptoms, making them difficult to tell apart. However, they have different causes and treatments.

The best way to prevent hepatitis B infection is vaccination. The vaccines are highly effective at preventing infection in ...