The complement system is a key component of innate and adaptive immunity and therefore acts as a vital defense against invading pathogens. Deficiencies in the complement system are associated with ...

Research led by investigators at Ghent University in Belgium showed dysregulation of the complement part of the immune system, regulated by the pro-inflammatory protein interleukin (IL)-6, is a key ...

Changes to serum proteins could be behind the debilitating condition known as long COVID. The findings, published in the journal Science, could pave the way for diagnosing and treating the disease.

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 ...

Most people infected with the SARS-CoV-2 virus recover after the acute illness. However, a significant proportion of infected individuals develop long-lasting symptoms with a wide range of ...

"Patients with active long COVID disease also had elevated blood levels indicating damage to various body cells." Credit: Enrique Heer "Patients with active long COVID disease also had elevated blood ...

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 ...

Share on Pinterest A study offers new clues on why long COVID persists in some individuals. krisanapong detraphiphat/Getty Images Despite the debilitating nature of long COVID, there is an absence of ...

COVID-19 vaccines are effective against severe cases of the disease in children and adolescents, according to a review. However, with most children now having caught the SARS-CoV-2 virus and building ...