Fungal pathogens that live harmlessly on and inside the human body are increasingly defeating the limited arsenal of antifungal drugs, while simultaneously dodging the immune system’s surveillance.

During the recent Covid-19 pandemic, the rate of serious illness and death was jarringly high in older populations. Why? Weakening immune systems — as we age, we become more vulnerable to infections, ...

Researchers have engineered Arabidopsis plants that emit visible light when their immune defenses switch on, creating a living sensor that tracks how plants fight pathogens in real time. The work, ...

Cancer immunotherapies, including cancer vaccines, harness and amplify the immune system’s natural ability to detect and attack cancer cells. In this illustration, immune T cells (pink) attach to a ...

Our immune systems prevent and limit infections. They are a complex set of organs, cells, tissues and proteins that work together to protect our bodies from harmful invaders such as bacteria, viruses, ...

A growing number of American adults have weakened immune systems, which can leave them vulnerable to severe illnesses. By Knvul Sheikh Kaley Karaffa had just turned 28 when the reality of having a ...

Your immune system is like an incredibly sophisticated security team, constantly patrolling your body for threats and neutralizing them before they can cause harm. When it’s working properly, this ...

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 ...