Influenza continues to pose a significant global health burden, with seasonal outbreaks causing substantial morbidity and mortality. Current ...

McKenzie is a virus hunter who has returned to the beaches in the area for years looking for new strains of avian influenza, including H5N1. Every year in mid-May she hops between the various beaches ...

The H5N1 avian influenza virus has infected birds and mammals around the world. As of June 2025, 70 people have been infected ...

The U.S. Department of Health and Human Services (HHS) has announced the termination of its contract with pharmaceutical company Moderna for the late-stage development of a pre-pandemic influenza ...

Influenza virus proteins in the act of self-replication, captured with a microscope. The blue protein encloses the virus's RNA (green), its genetic material. An enzyme (orange) ...

Evaluating bioactivity of trimeric HA by hemagglutination assay. ... Influenza B virus [Austria/1359417/2021 (B/Victoria lineage)] Hemagglutinin (HA) Protein, His Tag ...

We evaluated the seroprevalence of influenza A(H1N1) 2009 virus on a large public University campus, as well as disparities in demographic, symptomatic and vaccination characteristics of participants.

Influenza virus neuraminidase (NA) can act as a receptor-binding protein, a role commonly attributed to hemagglutinin (HA). In influenza A(H3N2) viruses, three NA amino acid residues have previously ...

In the 21 st century, newly emerging viruses, such as influenza A H7N9, Ebola virus, Zika virus, and the SARS-CoV-2 virus, are posing serious challenges to healthcare systems (Jacob et al., 2020; Imai ...

Preexisting immune responses, defined as hemagglutination inhibition (HAI) titers of 10 or more were observed at baseline among 80.73%, 91.93%, 36.57%, and 90.40% of all participants for the H1N1, ...