Hemagglutination Inhibition Antibody Response Following Influenza A(H1N1)pdm09 Virus Natural Infection: A Cross-Sectional Study from Thirthahalli, Karnataka, India.
Adolescent
Adult
Aged
Antibodies, Viral
/ immunology
Antibody Formation
Child
Child, Preschool
Cross Reactions
Cross-Sectional Studies
Hemagglutination Inhibition Tests
Humans
India
Infant
Influenza A Virus, H1N1 Subtype
/ immunology
Influenza A Virus, H3N2 Subtype
/ immunology
Influenza B virus
/ immunology
Influenza, Human
/ diagnosis
Middle Aged
Retrospective Studies
Young Adult
hemagglutination-inhibition assay
immune response
influenza virus
pre-existing antibodies
Journal
Viral immunology
ISSN: 1557-8976
Titre abrégé: Viral Immunol
Pays: United States
ID NLM: 8801552
Informations de publication
Date de publication:
06 2019
06 2019
Historique:
pubmed:
10
5
2019
medline:
1
7
2020
entrez:
10
5
2019
Statut:
ppublish
Résumé
Influenza viruses are major respiratory pathogens that cause seasonal epidemics and occasional pandemics. Immune response to influenza viruses is majorly targeted against the hemagglutinin antigen. A laboratory-based retrospective cross-sectional study was conducted on 50 acute and 50 follow-up samples to assess the immune response to influenza A(H1N1)pdm09 virus after natural infection and detect the presence of pre-existing antibodies against influenza A(H3N2) and influenza B viruses. Two-fourfold rise in hemagglutination-inhibition (HAI) titer was observed in 100% of the follow-up samples for influenza A(H1N1)pdm09 virus. No change in HAI titers for influenza A(H3N2) and influenza B viruses was observed.
Identifiants
pubmed: 31070522
doi: 10.1089/vim.2019.0010
doi:
Substances chimiques
Antibodies, Viral
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
230-233Subventions
Organisme : CGH CDC HHS
ID : U01 GH001051
Pays : United States