We're keeping an eye on new influenza and SARS-CoV-2 viral variants. Here's what we know about those viruses—and your immune ...

The average human has about 1.8 trillion immune cells. These cells patrol the body for bacteria, viruses, cancers, and other ...

The immunopathogenesis of viral diseases is a crucial focus in contemporary immunology, reflecting the interplay between viral agents and host immune ...

Dozens of new discoveries reveal that defenses evolved by bacteria and viruses billions of years ago still define our own ...

Researchers have uncovered how a disease-causing bacterium uses a single protein to interfere with the body's defenses in more than one way, offering a clearer picture of how infections take hold at ...

Measles can induce immune amnesia, a phenomenon that eliminates acquired immunity to other infectious diseases.

In the recent decades, there has been an increase in the aging population across the world coupled with declining birth rates and an increased lifespan of individuals. The proportion of the elderly in ...