Researchers identify a peptide present in the swine-flu vaccine linked to narcolepsy that may be responsible for the sleep disorder.

The controversial antiviral drug earns better marks in the most recent analysis of the evidence. 

Farmers detect H5N8 in a commercial turkey flock in California, while Canadian officials document the first known human importation of H7N9 to the country.

About half of the H3N2 influenza samples tested in the United States encode altered antigens from the strain used to produce this year’s vaccine.

In the wake of a handful of biosafety lapses at federal research facilities, the US government is temporarily halting funding for new studies aiming to give novel functions to influenza, SARS, and MERS viruses.

A mass spectrometry-based analysis of influenza virions provides a detailed view of their composition.

A high-security tuberculosis lab at the US Centers for Disease Control and Prevention may return to transferring hazardous materials.

Researchers map regions in Asia with the highest risk for transmission of H7N9.

Critics claim updated analysis of antiviral medication was statistically weak and based on unreliable randomized clinical trial data.

After finally getting their hands on full clinical study reports, independent reviewers say the antiviral drug is ineffective.