Keywords
swine influenza virus, immunity in human population of São Paulo, SP
influenza, viruses
orthomyxovlrus type A, swine, antibodies in human sera
influenza, viruses
orthomyxovlrus type A, swine, antibodies in human sera
How to Cite
1.
Takimoto S, Barbosa HHG, Salles-Gomes LF. Antibodiestoswine influenza virus in thehumanpopulationof São Paulo City. Rev Inst Adolfo Lutz [Internet]. 1978 Dec. 29 [cited 2024 Jul. 22];38(2):71-5. Available from: https://periodicos.saude.sp.gov.br/RIAL/article/view/37123
Abstract
A total of 412 human sera collected in São Paulo City, from March to July 1976 were studied for hemagglutination-inhibiting antibodies to influenza virus A/Swine/Wisconsin/l/67 (Hsw1N1), A/Mayo Clinic/103/74 (HswNl) and A/São Paulo/2/76 (H3N2). As expected, considerably higher titers of antibodies to swine influenza-like virus were found in a significantly greater number of persons born before 1926. Only few persons younger than 40 years showed those antibodies, but the titers never were higher than 1:40.
References
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9. WORLD HEALTH ORGANIZATION
Influenza: serological tests for swine influenza-like infections, Wkly epidem, Rec., 51: 134, 138, 155, 166, 170, 298, 322, 1976.
2. DOWLE, W. R.; NOBLE, G. R. & KENDAL, A. P. - Upda.te : swine influenza-like virus infections of mano Atlanta, Ga., Center for Disease Control, 1976.
3. PYHALA, R. - Antibodies for influenza A/swine-like viruses (Hsw1N1) in human sera: antigenic stimulation and changes in antibody status. Acta path.
microbiol. scand. (Sect. B), 84: 373-8, 1976.
4. ROBINSON, R. Q. & DOWLE, W. R. - Influenza viruses. In: LENNETTE, E.H., ed. - Diagnostic proceduree. New York, APHA, 1969. p. 414-33.
5. SCHILD, G. C. & STUART-HARRIS, C. H. Serological epidemiological studies with influenza A viruses. J. Hyg. (Camb.), 63: 479-90, 1965.
6. SMITH, T. F.; BURGET, E. O.; DOWLE, W. R.; NOBLE, G. N.; CAMPBELL, R. J. & VANSCOY, R. E. - Isolation of swine influenza virus from autopsy lung tissue of mano New Engl. J. Med., 294: 708, 1976.
7. VIRELIZIER, J. L., ALLISON, A. C. &
SCHILD, G. C. - Antibody responses
to antigenic determinants of influenza virus haemagglutinin. n. Original antigenic sin: abone marrow-derived lymphocyte memory phenomenon modulated
by tymus-derived lymphocytes. J.
e'xp. Med., 140: 1571-8, 1974.
8. WEBSTER, R. C. - Original antigenic sin in ferrets: the response to sequential infections with influenza viruses. J. immun., 97: 177-83, 1966.
9. WORLD HEALTH ORGANIZATION
Influenza: serological tests for swine influenza-like infections, Wkly epidem, Rec., 51: 134, 138, 155, 166, 170, 298, 322, 1976.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 1978 Instituto Adolfo Lutz Journal
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