SeriesFusion | Public HealthPublic Health papers published by SeriesFusion.https://seriesfusion.comEighty-one percent of 158 survey respondents across 38 low- and middle-income countries reported at least one HIV-service disruption after U.S. foreign-assistance changes. Respondents in PEPFAR-supported countries reported more disruptions and more cases that remained unresolved.https://www.medrxiv.org/content/10.64898/2026.08.04.26359701https://www.medrxiv.org/content/10.64898/2026.08.04.26359701Service Disruptions and Stockouts: Ongoing Impacts of U.S. Funding Freezes on HIV Care Across Clinics in 38 Low- and Middle-Income Countries in Late 2025 | Global Health. Original: 10.64898Fri, 07 Aug 2026 12:00:00 GMTGlobal Healthglobal-healthOne amino acid in H7N9 hemagglutinin made the protein acid-labile and helped the virus infect and replicate in human airway epithelial cells. In mice, HA2-116D also acted as a virulence factor, pointing to acid stability as a route by which H7 viruses can gain zoonotic traits.https://doi.org/10.1371/journal.ppat.1012427https://doi.org/10.1371/journal.ppat.1012427The Host Tropism of Current Zoonotic H7N9 Viruses Depends Mainly on an Acid-Labile Hemagglutinin With a Single Amino Acid Mutation in the Stalk Region | Veterinary & One Health. Original: 10.1371/journal.ppat.1012427Fri, 07 Aug 2026 12:00:00 GMTVeterinary & One Healthveterinary-one-health