Vaccination

Do I need a vaccine if I've already had COVID-19?

The Centers for Disease Control announced that in most cases, vaccinated adults in the U.S. could start going without masks, even indoors—a long-awaited benchmark to signal a return to a more normal life. But many people ...

Immunology

Getting under the skin of an autoimmune disorder

Supporting actors sometimes steal the show. In a new study published today in Cell, researchers headed by Prof. Ido Amit at the Weizmann Institute of Science have shown that supporting cells called fibroblasts, long viewed ...

Diseases, Conditions, Syndromes

COVID-19 antibody surveys underestimate infections: study

COVID-19 prevalence surveys that detect levels of antibodies to determine whether people were infected in the past might be unreliable given how quickly these infection-fighting proteins fade, a US government study said Wednesday.

HIV & AIDS

What people living with HIV need to know about COVID-19

Nearly half of people in the U.S. diagnosed with HIV, the virus that causes AIDS, are over 50, according to the Centers for Disease Control and Prevention (CDC). HIV damages the body's immune system, and interferes with the ...

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