A recent study published in eLife determines whether immune activation is associated with long coronavirus disease 2019 (COVID-19). Herein, patients with severe COVID-19 exhibited persistent ...

The intense reaction of one of the lungs’ guardians against infection may help explain why COVID-19 can become severe. The guardians, immune cells called interstitial macrophages, patrol lung tissue.

We asked Dr. Alok Patel, part of the ABC7 News team of experts to explain. Coronaviruses get their name from the spikey protein that resembles a crown under a microscope. It's transmitted from person ...

Some viruses mutate more rapidly than others. Learn more about why that is and what that means for your health.

If the COVID-19 pandemic has done one thing, it’s made us all more familiar with some of the important players in the immune system. Antibodies, B cells, and T cells are among the best known parts of ...

HOUSTON, Texas (KTRK) -- A new study suggests memory T cells may protect some people infected with COVID-19 by remembering past human coronavirus infections. The National Institute of Allergy and ...

Scientists can now explain what the novel coronavirus does to the body of those critically-ill from the virus, resulting in almost certain death. It has now emerged that the disease, which has gone ...

A doctor's viral remark linking Covid virus and vaccine spike protein to a rise in rare cancers has triggered concern. But ...

A vaccine developed against one strain of a virus is a remarkable achievement. But a “universal vaccine” that could protect from all forms of that pathogen is the holy grail. For decades, researchers ...

A recent New England Journal of Medicine article proposed "endothelialitis" as the unifying mechanism for the widespread pathology of COVID-19. In a prior Medscape interview, Medscape contributor ...

As the coronavirus continues to spread worldwide, scientists areworking to discover more specifics about how it’s transmitted — and how best to stop it. But we do know some things. The virus, first ...