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 ...

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 ...

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 ...

The idea that old vaccines might have a role in the fight against COVID-19 has been floated since the early days of the pandemic. Vaccines stimulate the broad, innate immune response, which appears to ...

Why so many COVID-19 patients get blood clots (thrombosis) remains uncertain. But scientists at Uppsala University and the University Hospital have now identified a mechanism they believe to be ...