Infectious diseases are common worldwide. Your immune system is able to fight most germs that you grew up with. If you've been deployed abroad, you may have encountered some germs you're not used to.

Definition: A pathogen is a biological agent – such as a bacterium, virus, fungus, parasite or prion – that can cause disease in a host organism. In simple terms: a pathogen is an infectious microbe ...

A virus is a sneaky little bugger whose goal is to get inside your body. When it does enter your body it finds a normal cell to infect. Once it’s inside the cell, the virus will create newly copied ...

When millions of soccer fans descend on North America this month for the 2026 FIFA World Cup, they will bring more than team ...

Doctors weigh in about the potential disease risks of a major international event like the World Cup.

Infectious diseases are defined as those that are caused by pathogenic microorganisms, including bacteria, fungi, parasites, and viruses. A person can be infected with a pathogenic microorganism ...