[A serological survey regarding Flaviviridae infections on the island of Réunion (1971-1989)].
Serological prevalence of Flaviviridae was studied on Reunion Island by testing 2,507 human sera from a randomised sample. Each serum was tested against 5 viruses (yellow fever, dengue type 1 and 2, West Nile and Wesselsbron) using haemagglutination inhibition test: 42.68% of human sera were found positive. The multivalent reactions represent practically three fourths of the positive ones. A severe dengue type 2 outbreak on the island in 1977-1978 and the possible circulation of a Flavivirus may explain these data. Among the tested subjects, positivity frequencies vary according to their age and their living surrounding. These results were compared with those of a previous serosurvey performed in 1971 and showed an important increase in the serological prevalence largely explainable by the 1977-1978 epidemic.
Kles
V
V
Faculté de Médecine de Brest, Département de Microbiologie et de Santé Publique, France.
Michault
A
A
Rodhain
F
F
Mevel
F
F
Chastel
C
C
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000818:Animals; D000829:Animals, Domestic; D000956:Antigens, Viral / Q000097:blood; D003716:Dengue Virus / Q000276:immunology; D005260:Female; D018178:Flaviviridae Infections / Q000453:epidemiology* / Q000276:immunology; D006387:Hemagglutination, Viral; D006801:Humans; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D017508:Reunion / Q000453:epidemiology; D012423:Rural Health; D016036:Seroepidemiologic Studies; D012737:Sex Factors; D014902:West Nile virus / Q000276:immunology; D015005:Yellow fever virus / Q000276:immunology
D000956:Antigens, Viral
Enquêtes sérologiques concernant les arboviroses à Flaviviridae sur l'île de la Réunion (1971-1989).