Long COVID was identified in blood proteins, an analysis of longitudinal data suggested. Blood samples from long COVID patients showed changes to blood serum proteins at 6 months that indicated ...

People who are deficient in vitamin D may be at higher risk of contracting the novel coronavirus than those with sufficient levels, according to the results of a new retrospective study from Illinois.

Undertaking a study of proteins found in the complement system, an important part of the immune system, of patients with long COVID, researchers have identified a blood protein ‘signature’ that may ...

Researchers in the United States have conducted a study showing that activation of the complement system is specifically implicated in the pathogenesis of severe coronavirus disease 2019 (COVID-19), ...

Several recent studies have looked at the impact of vitamin D on COVID-19. One study of 489 people found that those who had a vitamin D deficiency were more likely to test positive for the virus that ...

As COVID-19 cases have swept the nation, millions of Americans have looked for ways to stay safe. Masks, social distancing, and handwashing have been recommended by healthcare professionals, but many ...

A new study published in the journal Science Immunology analyzed lung epithelial cells from patients infected with COVID-19 and found the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ...

Researchers at Baylor College of Medicine have investigated the effect of infection with COVID-19 on the levels of oxidative stress, oxidant damage and glutathione, the most abundant physiological ...