Diseases, Conditions, Syndromes

How hepatitis E tricks the immune system

Over 3 million people are infected with the hepatitis E virus every year. So far, no effective treatment is available. An international team has investigated which factors are important for the virus in the course of its ...

Diseases, Conditions, Syndromes

Nostril swab best way to test for COVID-19, study finds

In a new study, Cornell researchers found that nasopharyngeal swabs—taken from far back inside the nostril—were more effective at detecting COVID-19 than saliva tests or swabs just inside the nostril or under the tongue.

Medical research

Unique binding of delta variant may explain high transmissibility

Unlike other SARS-CoV-2 variants, the delta variant can attach to copies of itself, forming larger aggregations, or clumps, of viral particles, suggests a study by scientists at the National Institutes of Health. The researchers ...

Diseases, Conditions, Syndromes

What makes for the best COVID-19 mask?

The great mask debate is back. With the highly contagious omicron variant driving a surge in infections around the globe this winter, many people are trying to figure out how to best protect themselves—without returning ...

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