HIV & AIDS

Natural killer cells contribute to immune response against HIV

A new study shows for the first time that natural killer (NK) cells, which are part of the body's first-line defence against infection, can contribute to the immune response against HIV. In an article in the August 4 issue ...

Alzheimer's disease & dementia

New study reveals how blood triggers brain disease

In patients with neurological diseases like Alzheimer's disease and multiple sclerosis, immune cells in the brain known as microglia that normally fulfill beneficial functions become harmful to neurons, leading to cognitive ...

Vaccination

Q And A: How different types of COVID-19 vaccines work

DEAR MAYO CLINIC: I know COVID-19 has been around now for over a year, but I'm still confused by the different types of vaccines, including messenger RNA and vector vaccines. Can you explain how these vaccines work and the ...

Immunology

Predicting immunotherapy success

One of the frustrations with anti-cancer therapy is that no one drug fits all: Most work well in some people but have little effect in other patients with the same type of cancer. This is as true of the newer immunotherapy ...

Neuroscience

How immunity contributes to aging and neurodegeneration

As we age, our bodies undergo various changes that can impact our overall health and make us more susceptible to diseases. One common factor in the aging process is low-grade inflammation, which contributes to age-related ...

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