Diseases, Conditions, Syndromes

What you need to know about XBB.1.5, the latest omicron variant

Four weeks ago, the XBB.1.5 variant caused less than 10% of COVID-19 cases in the U.S. Now it causes more than 25% of them. Virologists including Andy Pekosz, a professor of Molecular Microbiology and Immunology, are paying ...

Medical research

Muscles support a strong immune system

In the fight against cancer or chronic infections, the immune system must be active over long periods of time. However, in the long run, the immune defense system often becomes exhausted. Scientists at the German Cancer Research ...

Genetics

COVID-19 genetic risk variant protects against HIV

The genetic variants we are born with can increase or decrease our risk of falling seriously ill with COVID-19. The major genetic risk variant for severe COVID-19, one we inherited from Neandertals, is surprisingly common. ...

Diseases, Conditions, Syndromes

First clinical studies find Wuhan virus closely resembles SARS

The new coronavirus rapidly spreading in China and nearby countries seems to trigger symptoms similar to those seen in the severe acute respiratory distress syndrome (SARS) coronavirus outbreak in 2003, two new studies show.

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