Four viruses are circulating in the U.S., sparking concerns of a possible “quademic." Here's what to know about risk factors ...

People often fall ill during changing seasons. Even a little carelessness increases the risk of fever, cough, and infection.

Understanding the differences between bacteria and viruses is crucial for recognizing how these microorganisms impact our health. While both are microscopic and can cause infections, they differ ...

You, my friend, are what scientists call a "holobiont"- an organism made up of human cells and the multiplicity of ...

COVID-19, influenza, RSV, and norovirus—have created what experts are calling a "quad-demic" in the U.S. Here's what to know ...

"The same mutations were not present in viral genomes sampled from the backyard ... arose during the course of that individual’s infection." Dr. Marc Siegel, clinical professor of medicine ...

It's helpful to know that only infectious conjunctivitis (meaning pink eye caused by viruses or bacteria) is contagious.

Scientists at Harvard Medical School and Boston University Chobanian & Avedisian School of Medicine have mapped a critical ...

Hepatitis E is a viral infection that is particularly dangerous for pregnant women and people with chronic illnesses, with a ...