Epidemic Influenza in a Hill Tribe of Northwest Thailand

Robert McNair Scott Departments of Virology and Epidemiology, SEATO Medical Research Laboratory, Christian Medical Unit, American Baptist Mission, Rajavithi Road, Bangkok, Thailand

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Rapin Snitbhan Departments of Virology and Epidemiology, SEATO Medical Research Laboratory, Christian Medical Unit, American Baptist Mission, Rajavithi Road, Bangkok, Thailand

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Bina E. Sawyer Departments of Virology and Epidemiology, SEATO Medical Research Laboratory, Christian Medical Unit, American Baptist Mission, Rajavithi Road, Bangkok, Thailand

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William H. Bancroft Departments of Virology and Epidemiology, SEATO Medical Research Laboratory, Christian Medical Unit, American Baptist Mission, Rajavithi Road, Bangkok, Thailand

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Eliot J. Pearlman Departments of Virology and Epidemiology, SEATO Medical Research Laboratory, Christian Medical Unit, American Baptist Mission, Rajavithi Road, Bangkok, Thailand

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DOI:
https://doi.org/10.4269/ajtmh.1976.25.718
Volume/Issue:
Volume 25: Issue 5
Page(s):
718–723
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An investigation of an epidemic of respiratory disease in a remote region of northwest Thailand revealed Influenza A/H3N2 as the etiologic agent. This epidemic would not have been recognized were it not for an unusual increase in respiratory disease following a meeting attended by residents of many villages. The influenza strains isolated most closely resembled A/Port Chalmers/1/73 when tested by hemagglutination inhibition but showed consistent antigenic differences when tested by quantitative neutralization. It is suggested that the differences noted between this strain and influenza viruses isolated elsewhere may have been due to the sequential transmission of influenza through partially immune people.
Copyright:
Copyright © 1976 by The American Society of Tropical Medicine and Hygiene 1976
Accepted:
14 Feb 1976
|
Published Online:
Sep 1976
Cover The American Journal of Tropical Medicine and Hygiene
The American Journal of Tropical Medicine and Hygiene
Print ISSN:
0002-9637
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