Studies by researchers at Columbia University Irving Medical Center suggest that one of the immune system’s oldest branches, the complement system, and coagulation dysfunction, may be influencing the ...

New genetic and patient analyses suggest severe COVID is linked to overactive complement, one of the immune system's oldest branches, and excess blood clotting. One of the immune system's oldest ...

Coronaviruses are adept at imitating human immune proteins that have been implicated in severe COVID-19 disease, a new study has found. Coronaviruses are adept at imitating human immune proteins that ...

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.

PASC, which is otherwise known as long COVID, arises following the recovery from acute infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus responsible for ...