Among healthy adults receiving the JN.1- or KP.2-adapted mRNA seasonal COVID-19 vaccine, neutralizing antibody responses were similar.

Researchers from Helmholtz Munich and Ludwig-Maximilians-Universität (LMU) have identified a mechanism that may explain the neurological symptoms of long COVID. The study shows that the SARS-CoV-2 ...

Metformin does not significantly reduce the risk for long COVID at 6 months in low-risk adults with high baseline immunity to the virus.

The COVID-19 pandemic resulted in millions of deaths. Despite an unparalleled collaborative research effort that led to effective vaccines and therapies being produced in record-breaking time, a ...

COVID-19 vaccine boosters not only protect against SARS‑CoV‑2 – the virus behind the most recent pandemic – but may also help ...

Coadministration was not associated with an increased risk of side effects ...

World Health Organization officials first learned about a cluster of cases of pneumonia in the Hubei Province of China on Dec. 31, 2019. This represented the initial report of what soon became known ...

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 ...

A nationwide Chilean cohort study of more than 3.6 million adults found that severe COVID-19 requiring hospitalization was ...