Medications

Developing drugs to help fight Rift Valley fever virus

Research by Lawrence Livermore National Laboratory (LLNL) scientists suggests that immune responses could be bolstered by drugs to help people recover from brain infections caused by an emerging pathogen.

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 ...

Oncology & Cancer

Exploring the biology of 'double positive' T cells

The molecular markers CD4 and CD8—defining helper T cells and killer T cells, respectively—were once considered mutually exclusive. But "double positive" CD4+-CD8+ T cells have lately been discovered in people in various ...

Diseases, Conditions, Syndromes

Long COVID-19 may stem from an overactive immune response in the lungs

Viruses that cause respiratory diseases like the flu and COVID-19 can lead to mild to severe symptoms within the first few weeks of infection. These symptoms typically resolve within a few more weeks, sometimes with the help ...

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