Antibodies, which recognize viruses and proteins that the body has encountered before, have long gotten most of the credit for giving the human immune system a memory. Now, researchers at the ...

When a patient enters the emergency department in critical condition, doctors must quickly run through a crucial list of questions: Does the patient have an infection? If so, is it bacterial or viral?

How does the same infection, say the flu or a cold, give some people mild symptoms and leave others suffering? Why do people develop autoimmune diseases? And will we ever be able to predict when—and ...

We are in the thick of cold and flu season. So, fortifying your immune system is probably high on your list of priorities. While there is no magical food or supplement that will prevent you from ...

Imagine a high-tech security system, constantly scanning for intruders, identifying threats, calling for backup, neutralizing them, cleaning up the mess, and keeping detailed records for next time.

I am lying under a blanket, feeling rough, staring at a bowl of oranges. Every fibre of my being is urging me to devour the lot. I can hear my mum – and medical friends at university – insisting that ...