Diseases, Conditions, Syndromes

A US clinical trial for COVID-19 mRNA vaccine

The first U.S. patients have been dosed in a clinical trial testing whether four experimental mRNA vaccine candidates can prevent infection with the virus that causes COVID-19 disease.

Oncology & Cancer

Killer T cells get better with age, study finds

The human immune system is a thing of wonder. Up until now it had been widely assumed that the ability of killer T cells to destroy tumor cells and pathogens would deteriorate with age. It turns out, however, that the opposite ...

Medical research

Mouse model of human immune system inadequate for stem cell studies

A type of mouse widely used to assess how the human immune system responds to transplanted stem cells does not reflect what is likely to occur in patients, according to a study by researchers at the Stanford University School ...

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