Medical research

Findings challenge standard understanding of COVID-19 infection

Some viruses move between species. For example, SARS-CoV-2, the virus that causes COVID-19, can spill over from humans to mink, an agricultural species, and then spill back from mink to humans. Spillback is a concern because ...

HIV & AIDS

New study reveals how HIV binds to our T cells

A new study reveals for the first time the steps through which human immunodeficiency virus (HIV) binds to the receptors on the membranes of T cells—white blood cells that fight infection. The finding could have implications ...

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