In a recent study posted to Research Square*, researchers reported rapid relapse of coronavirus disease 2019 (COVID-19) symptoms following the administration of nirmatrelvir/ritonavir in adults. Study ...

Pfizer’s antiviral pills are highly effective at keeping people with Covid out of the hospital, but there are growing reports that, in rare cases, patients treated for the coronavirus with Paxlovid ...

Imaging spotted relapses for just a tiny fraction of patients with diffuse large B-cell lymphoma (DLBCL) before symptoms appeared, according to a new multi-institutional study, prompting ...

Research shows that teenagers and adults with immune-mediated relapse after herpes simplex encephalitis (HSE) rarely display the symptoms typically seen in children, delaying the initiation of vital ...