Mallards and Highly Pathogenic Avian Influenza Ancestral Viruses, Northern Europe
Emerging Infectious Diseases·
- DOI
- 10.3201/eid1110.050546
- PMID
- 16318694
- PMCID
- PMC3366752
- OpenAlex
- W2137708374
- Study type
- Genomic study
- Publisher
- Centers for Disease Control and Prevention (CDC)
- Article type
- journal-article
- Integrity
- current
Why this research matters now
The authors suggest that wild-bird influenza A virus surveillance can help generate prototypic vaccine candidates and inform the design and evaluation of diagnostic tests before outbreaks occur in animals and humans.
Structured evidence summary
Research question
The study examines whether wild-bird surveillance isolates of H5 and H7 influenza A viruses are closely related to viruses that have caused highly pathogenic avian influenza (HPAI) outbreaks in Europe, and whether such surveillance can support vaccine and diagnostic preparedness.
Study design
An ongoing wild-bird surveillance study in which influenza A viruses of H5 and H7 hemagglutinin subtypes were isolated and compared with outbreak strains using hemagglutinin gene sequencing, phylogenetic analysis, and antigenic characterization of the hemagglutinin glycoprotein.
Population and setting
Wild birds sampled through ongoing surveillance in northern Europe, with comparison to recorded H5 and H7 HPAI outbreaks in Europe since 1997.
Main findings
Several H5 and H7 influenza A viruses carrying various neuraminidase subtypes were isolated from wild birds. For each European H5 and H7 HPAI outbreak since 1997, the wild-bird surveillance collection contained closely related isolates, showing only minor genetic and antigenic differences from the outbreak viruses.
Public-health relevance
The authors suggest that wild-bird influenza A virus surveillance can help generate prototypic vaccine candidates and inform the design and evaluation of diagnostic tests before outbreaks occur in animals and humans.
Important limitations
The summary is limited to the supplied single-article abstract and metadata; the original paper is required for decision-grade interpretation. No explicit limitations are stated in the abstract.
GIDS interpretation
The article is discoverable through GIDS-classified topics of surveillance, outbreak investigation, genomic epidemiology, vaccination, and diagnostics, within the context of H5/H7 avian influenza. This summary does not link the paper to any live surveillance signal.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 15 auditable classifier relationships to diseases, places, topics, and study design.