Influenza in an isolated population in the Amazon
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open access
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Article
Date
1974
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Elsevier
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Universidade de Yale. Departamento de Epidemiologia e Saúde Pública. New Haven, Connecticut, EUA
Universidade de Yale. Departamento de Epidemiologia e Saúde Pública. New Haven, Connecticut, EUA
Universidade de Yale. Departamento de Epidemiologia e Saúde Pública. New Haven, Connecticut, EUA
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Abstract
Abstract
We wish to report evidence of activity of H2N, (Asian influenza A) in man two years after H3N2 strains became dominant around the world. The RaN2 epidemics of 1968-69 displaced the predecessor H2N2 strains so rapidly that within 12 months new isolations of the older strains had ceased. 1 Nevertheless, the discovery in pre1957 sera of H2N2 antibodies in persons born before 1890,2 and HaN2 antibodies in persons born before 1902,3 suggests that these strains which became dominant in 1957 and 1968, respectively, were not truly novel. It is unknown whether the ascendancy of a new major strain represents emergence of old types from an active biological reservoir, or reconstitution from genetic components that had persisted, if at all, only in other combinations [...].
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Description
Keywords in Portuguese
Região Norte, Amazonas, Região Amazonica, Mekrãgnoti, Mebêngôkre Kayapó
Keywords
Brazil, Health of Indigenous Peoples, Indians, South American, Influenza in Birds
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DeCS
Brasil, Saúde de Populações Indígenas, Índios Sul-Americanos, Influenza Aviária/epidemiologia, Epidemiologia
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Citation
NAPIORKOWSKI, Patricia A.; BLACK, Francis L. Influenza in an isolated population in the Amazon. The Lancet, v. 304, n. 7893, p. 1390-1391, 1974.
ISBN
ISSN
10.1016/S0140-6736(74)92265-X
DOI
0140-6736, 1474-547X