Fact checked by Nick Blackmer Medically reviewed by Steffini Stalos, DO Expired COVID tests may not be accurate or may lead ...

We conducted a phase 2–3 double-blind trial to assess the efficacy and safety of nirmatrelvir–ritonavir in asymptomatic, rapid antigen test–negative adults who had been exposed to a household contact ...

Purdue University has received $2.7 million in federal funding from the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) to develop a field test that can measure and ...

Two newly designated SARS-CoV-2 lineages, informally called Nimbus (NB.1.8.1) and Cicada (BA.3.2), are fueling a summer surge ...

Multisystem inflammatory syndrome in children (MIS-C), a delayed hyperinflammatory response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, is an important cause of illness ...

Household contacts who initiate ensitrelvir vs placebo within 72 hours of symptom onset in the index patient have lower risk ...