The idea that a single-celled bacterium can defend itself against viruses in a similar way as the 1.8-trillion-cell human ...

Groundbreaking new tests reveal patterns in our immune systems that can signal underlying disease and tell us how well we ...

Bacteria and viruses are the most common causes of disease, but they have some key differences. Here's what you need to know.

The most common flu symptoms are body aches, chills, cough, fatigue, fever, and headache but there are other symptoms like sore throat and vomiting.

A breakthrough study reveals a new antibody that could transform the fight against HIV, neutralising over 98 percent of ...

Many respiratory viruses ... can cause cold-like symptoms,” health officials say, but some are more dangerous than others.

Microsoft ends support for its older OS this month, but there are three ways to extend critical security updates and remain ...