Gilead’s experimental antiviral drug shortened the average time it took COVID-19 patients to recover in a NIAID-sponsored trial. There was weak evidence that it also helped reduce deaths.

President Donald Trump has touted the drug as a treatment but scientists still don’t know for sure that it is effective in patients. A number of clinical trials aim to find out.

The antiviral disables RNA replication machinery in MERS and SARS viruses. Can it beat back SARS-CoV-2?

Under careful watch of the World Health Organization, doctors will test a range of COVID-19 therapies, including HIV and flu antivirals, blood plasma infusions, and traditional Chinese medicines.

Combining the medications improved conditions in patients with severe 2019-nCoV infections, say doctors in Thailand.

This previously unknown mechanism for spotting foreign genetic material in the cytoplasm launches antiviral defenses even when the well-known immune mediator STING is absent.

Roughly a quarter of 38 viral samples from people treated with Xofluza had mutations in their genomes that made the pathogens less susceptible to the drug.

REGN-EB3 and mAb114 reduced mortality in a clinical trial carried out during the ongoing outbreak in Democratic Republic of Congo.

A new study finds that more than 200 human-targeted, non-antibiotic drugs inhibit the growth of bacterial species that make up part of the human microbiome.