Epidemic dengue 4 in the Yucatán, México, 1984

An outbreak of dengue 4 occurred in the Yucatán, México in 1984. During the course of the outbreak, 538 of 5486 reported cases of dengue-like illness were studied; 200 were confirmed as dengue serologically and/or virologically. Dengue 4 virus was isolated from 34 patients and dengue 1 from one. Sev...

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Bibliographic Details
Published in:Revista do Instituto de Medicina Tropical de São Paulo 1993-10, Vol.35 (5), p.449-455
Main Authors: LORONO PINO, M. A, FARFAN ALE, J. A, ROSADO PAREDES, E. DEL P, KUNO, G, GUBLER, D. J
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age Distribution
Arboviroses
Biological and medical sciences
Child
Dengue - diagnosis
Dengue - epidemiology
Dengue - physiopathology
Dengue fevers
Dengue Virus - isolation & purification
Disease Outbreaks
Female
Human viral diseases
Humans
Infectious diseases
Male
Medical sciences
Mexico - epidemiology
Middle Aged
Sex Distribution
TROPICAL MEDICINE
Tropical viral diseases
Viral diseases
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Summary:An outbreak of dengue 4 occurred in the Yucatán, México in 1984. During the course of the outbreak, 538 of 5486 reported cases of dengue-like illness were studied; 200 were confirmed as dengue serologically and/or virologically. Dengue 4 virus was isolated from 34 patients and dengue 1 from one. Severe haemorrhagic symptoms were observed in 9 laboratory confirmed patients, including four deaths. Thus, the outbreak in Yucatán is the second dengue epidemic in the Americas after the Cuban epidemic in 1981 in which a number of patients suffered from haemorrhagic complications. It was notable that 5 of 9 hospitalized, severe cases were young adults and that only one met the WHO criteria of DHF, in contrast to primary pediatric nature of DHF in Southeast Asia. In this paper we describe clinical, serologic, and virologic studies conducted during the outbreak.
ISSN:0036-4665
1678-9946
1678-9946
0036-4665
DOI:10.1590/S0036-46651993000500011