Different pathways within the cell are activated or silenced dependent on the external signals acting on a cell. One such pathway includes the stimulator of interferon genes (STING) pathway which acts ...

An innovative approach supercharges the innate immune system to provide a first line of defence against respiratory ...

Humans are protected by two branches of the immune system. Innate immunity provides built-in defense against widespread characteristics of bacteria and viruses, while adaptive immunity memorizes ...

Sat, January 24, 2026 at 2:56 PM UTC The immune system is the body’s natural defense network that helps to keep you healthy from things like bacteria, viruses, and parasites. It’s a complex network of ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The very first line of defence against any ...

An infectious disease specialist took the time to explain what herd immunity is, how it works and when it might affect the spread of COVID-19. Dr. Frank Esper works for the Cleveland Clinic Children's ...

A vaccine usually trains your immune system to recognize one target. Here, the target is basically “anything that doesn’t ...

In an early animal test, a new nasal-spray vaccine has shown promise against a variety of germs and a common allergen, ...