The antiviral drug Paxlovid is great at treating COVID-19 infections, but a new study casts doubt on its effectiveness at preventing symptoms associated with long COVID.
Clinical trials investigating use of two widely available products -- vitamin C and the statin drug simvastatin -- in critically ill COVID patients have yielded far different results.
People who develop long COVID have distinct abnormalities in their immune and hormonal function that can be picked up with blood tests, researchers have found.
