Researchers have figured out a mechanism SARS-CoV-2, the virus that causes COVID-19, uses to co-opt infected human cells to boost its own replication.

In a new study, people with an untreated vitamin D deficiency were almost twice as likely to test positive for COVID-19 as people without a deficiency.

"Our findings support the idea that if you're going out, you should practice social distancing to the extent possible..."

New research reconstructs the spread of coronavirus across the world in unprecedented detail. The analysis also shows early containment works.

A new approach that shows how the immune system responds to vaccination could lead to ways to build a better flu vaccine, researchers say.

A newly-designed face mask is reusable, comfortable, stays in place, and still offers COVID protection to the wearer and those around them.

A new nasal vaccine effectively prevents infection in mice susceptible to the novel coronavirus, a new study shows.

A look at "super-spreading" events shows that air conditioning may be making things worse by recirculating coronavirus particles indoors.

Reports of Russia finishing development of a vaccine for COVID-19 called Sputnik-V are more complicated than they appear, an expert argues.

New evidence suggests that odor-sensing cells in the nose are the key entry point for SARS-COV-2, the virus that causes COVID-19.