Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Influenza A Virus, H7N3 Subtype MeSH Descriptor Data 2026


MeSH Heading
Influenza A Virus, H7N3 Subtype
Tree Number(s)
B04.820.480.968.405.400.694
Unique ID
D057920
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D057920
Annotation
infection: coordinate IM with INFLUENZA, HUMAN (IM) in humans, or INFLUENZA IN BIRDS (IM) in birds, or ORTHOMYXOVIRIDAE INFECTIONS (IM) in other animals
Scope Note
A subtype of INFLUENZA A VIRUS comprised of the surface proteins hemagglutinin 7 and neuraminidase 3. It was first detected in turkeys in Britain in 1963 and there have been several outbreaks on poultry farms since that time.
Entry Term(s)
Avian Influenza A(H7N3) Virus
H7N3
H7N3 Bird Flu Virus
H7N3 Influenza Virus
H7N3 Virus
H7N3 subtype
Influenza A(H7N3) Virus
Registry Numbers
txid119215
Previous Indexing
Influenza A virus (1997-2010)
Public MeSH Note
2011
History Note
2011
Date Introduced
2011/01/01
Last Updated
2026/01/01
Influenza A Virus, H7N3 Subtype Preferred
page delivered in 0.143s