Bacteria can play established roles both as pathogens during infection but also as part of the host microbiota. The immune response to bacterial infection is a critical defence strategy protecting the ...

Your immune system may be weak if you have frequent, severe, or extended infections. Learn more signs of a weak immune system.

Innate immune sensors—known as pattern recognition receptors (PRRs)—detect specific molecular components of bacterial or ...

The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new variants, a phenomenon often called immune imprinting. A new study shows ...

Researchers at the University of Queensland (UQ) have identified how a common bacterium is able to manipulate the human immune system during respiratory infections and cause persistent illness. The ...

Virus-associated cancers are a significant and persistent global health challenge, providing unique insight into the relationship between chronic infection ...

Scientists have uncovered a link between COVID-19 control measures and a surge in serious infections in children following the pandemic. Subscribe to our newsletter for the latest sci-tech news ...

A first-of-its-kind study led by the University of Oxford has successfully investigated human immunity against COVID-19 in people who already have antibodies against it. The results suggest that ...

Our bodies are home to millions of fungi that, for the most part, are completely harmless. However, they can sometimes change ...

Bats are known as natural hosts for highly pathogenic viruses such as MERS- and SARS-related coronaviruses, as well as the Marburg and Nipah viruses. In contrast to the severe and often fatal disease ...

An encounter with a speeding car, a walk across an icy road, or exposure to germs: daily life comes with experiences that can potentially harm a person. Anticipating such threats and preparing for ...