Inquérito soro-epidemiológico na ilha de São Luis durante epidemia de dengue no Maranhão.

Translated title of the contribution: A seroepidemiological survey on the island of São Luis during a dengue epidemic in Maranhão

P. F. Vasconcelos, J. W. Lima, M. L. Raposo, S. G. Rodrigues, J. F. da Rosa, S. M. Amorim, E. S. da Rosa, C. M. Moura, N. Fonseca, A. P. da Rosa

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The island of São Luis in the State of Maranhão, constituted by the municipalities of São Luis-SL (835,428 inhabitants), São José de Ribamar-SJR (60,633 inhabitants) and Paço do Lumiar-PL (80,274 inhabitants), has been suffering dengue (DEN) fever epidemics since 1995, caused by DEN-1. In 1996, from August through October, an aleatory sero-epidemiologic survey was carried out in order to estimate the incidence of DEN infection and to analyze other clinical and epidemiological parameters. A questionnaire was applied and serum samples were simultaneously obtained. Serum samples were tested by hemagglutination inhibition (HI). Results were analyzed using Lotus 123, Epi-info 6.0, Excel 5.0 and STATA softwares. A total of 1,217 serum samples were obtained (101 of PL, 100 of SJR and 1017 of SL). The rate of DEN was 55.4% in PL, 28% in SJR and 41.4% in SL, suggesting the occurrence of 401,933 infections. No difference was seen between males and females, but infection occurred more in the upper social class than in poor people (p < 0.003), and was more frequent in adults than in children (p < 0.0004). In SL, the incidence was stratified into seven sanitary districts (SD), and prevalence was found to range from 26.1% in SD4 to 56.8% in SD1 (p < 0.0001). Symptoms were more frequently reported by people whose HI was positive: they included fever, headache, chills, dizziness, retrobulbar pains, muscle and joint pains, nausea, anorexia and skin rash. In spite of the high incidence of infection, no hemorrhagic cases were reported.

Original languagePortuguese
Pages (from-to)171-179
Number of pages9
JournalRevista da Sociedade Brasileira de Medicina Tropical
Volume32
Issue number2
StatePublished - Mar 1999
Externally publishedYes

Fingerprint

Dengue
Islands
Hemagglutination
Infection
Incidence
Serum
Chills
Myalgia
Arthralgia
Anorexia
Dizziness
Exanthema
Social Class
Nausea
Headache
Fever
Software
Pain
Surveys and Questionnaires
Inhibition (Psychology)

ASJC Scopus subject areas

  • Infectious Diseases
  • Parasitology

Cite this

Vasconcelos, P. F., Lima, J. W., Raposo, M. L., Rodrigues, S. G., da Rosa, J. F., Amorim, S. M., ... da Rosa, A. P. (1999). Inquérito soro-epidemiológico na ilha de São Luis durante epidemia de dengue no Maranhão. Revista da Sociedade Brasileira de Medicina Tropical, 32(2), 171-179.

Inquérito soro-epidemiológico na ilha de São Luis durante epidemia de dengue no Maranhão. / Vasconcelos, P. F.; Lima, J. W.; Raposo, M. L.; Rodrigues, S. G.; da Rosa, J. F.; Amorim, S. M.; da Rosa, E. S.; Moura, C. M.; Fonseca, N.; da Rosa, A. P.

In: Revista da Sociedade Brasileira de Medicina Tropical, Vol. 32, No. 2, 03.1999, p. 171-179.

Research output: Contribution to journalArticle

Vasconcelos, PF, Lima, JW, Raposo, ML, Rodrigues, SG, da Rosa, JF, Amorim, SM, da Rosa, ES, Moura, CM, Fonseca, N & da Rosa, AP 1999, 'Inquérito soro-epidemiológico na ilha de São Luis durante epidemia de dengue no Maranhão.', Revista da Sociedade Brasileira de Medicina Tropical, vol. 32, no. 2, pp. 171-179.
Vasconcelos PF, Lima JW, Raposo ML, Rodrigues SG, da Rosa JF, Amorim SM et al. Inquérito soro-epidemiológico na ilha de São Luis durante epidemia de dengue no Maranhão. Revista da Sociedade Brasileira de Medicina Tropical. 1999 Mar;32(2):171-179.
Vasconcelos, P. F. ; Lima, J. W. ; Raposo, M. L. ; Rodrigues, S. G. ; da Rosa, J. F. ; Amorim, S. M. ; da Rosa, E. S. ; Moura, C. M. ; Fonseca, N. ; da Rosa, A. P. / Inquérito soro-epidemiológico na ilha de São Luis durante epidemia de dengue no Maranhão. In: Revista da Sociedade Brasileira de Medicina Tropical. 1999 ; Vol. 32, No. 2. pp. 171-179.
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abstract = "The island of S{\~a}o Luis in the State of Maranh{\~a}o, constituted by the municipalities of S{\~a}o Luis-SL (835,428 inhabitants), S{\~a}o Jos{\'e} de Ribamar-SJR (60,633 inhabitants) and Pa{\cc}o do Lumiar-PL (80,274 inhabitants), has been suffering dengue (DEN) fever epidemics since 1995, caused by DEN-1. In 1996, from August through October, an aleatory sero-epidemiologic survey was carried out in order to estimate the incidence of DEN infection and to analyze other clinical and epidemiological parameters. A questionnaire was applied and serum samples were simultaneously obtained. Serum samples were tested by hemagglutination inhibition (HI). Results were analyzed using Lotus 123, Epi-info 6.0, Excel 5.0 and STATA softwares. A total of 1,217 serum samples were obtained (101 of PL, 100 of SJR and 1017 of SL). The rate of DEN was 55.4{\%} in PL, 28{\%} in SJR and 41.4{\%} in SL, suggesting the occurrence of 401,933 infections. No difference was seen between males and females, but infection occurred more in the upper social class than in poor people (p < 0.003), and was more frequent in adults than in children (p < 0.0004). In SL, the incidence was stratified into seven sanitary districts (SD), and prevalence was found to range from 26.1{\%} in SD4 to 56.8{\%} in SD1 (p < 0.0001). Symptoms were more frequently reported by people whose HI was positive: they included fever, headache, chills, dizziness, retrobulbar pains, muscle and joint pains, nausea, anorexia and skin rash. In spite of the high incidence of infection, no hemorrhagic cases were reported.",
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