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Malaria in the Limbe River valley of northern Haiti: a hospital-based retrospective study, 1975-1997

dc.contributor.authorVanderwal, Tammyes_ES
dc.contributor.authorPaulton, Richardes_ES
dc.date.accessioned2015
dc.date.available2015
dc.date.issued2000es_ES
dc.identifier.citationVanderwal, Tammy,Paulton, Richard (2000) Malaria in the Limbe River valley of northern Haiti: a hospital-based retrospective study, 1975-1997. Rev Panam Salud Publica;7(3) -,mar. 2000. Retrieved from http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892000000300004&lng=pt&nrm=isoen_US
dc.identifier.urihttp://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892000000300004&lng=pt&nrm=isoes_ES
dc.identifier.urihttps://iris.paho.org/handle/10665.2/8843
dc.format.extentiluses_ES
dc.format.extenttabes_ES
dc.relation.ispartofseriesRev Panam Salud Publica;7(3),mar. 2000es_ES
dc.subjectPlasmodium Malariaees_ES
dc.subjectChuvases_ES
dc.subjectAnopheleses_ES
dc.subjectPlasmodium Falciparumes_ES
dc.subjectHaities_ES
dc.titleMalaria in the Limbe River valley of northern Haiti: a hospital-based retrospective study, 1975-1997en_US
dc.typeJournal articlesen_US
dc.rights.holderPan American Health Organizationen_US
dc.description.notesIn the Limbe River valley of northern Haiti a retrospective study at the Bon Samaritain Hospital (BSH) determined the total number of cases and the cyclical nature of malaria from 1975 through 1997, examined the relationship between rainfall and malaria from 1975 through 1985, and compared the incidence of malaria at that hospital with general trends for Haiti for 1975 through 1996 as reported by th World Health Organization (WHO). During 1975-1997, 27.078 positive cases of malaria were diagnosed at BSH; 50 per cent of these cases occurred during 16 weeks out of the year, during a summer peak in June and July and a winter peak in December and January. For 1975-1985, there was no significant correlation between the incidence of malaria and annual rainfall. The strongest correlation was observed between weekly rainfall and weekly incidence of malaria when the data was staggered to allow a lag of 9-11 weeks between rainfall and new malaria cases. The lag period is explained by the time required for the creation of breeding sites after rain, the life cycles of the Anopheles albimanus mosquito and the Plasmodium falciparum parasite, and the incubation period for falciparum malaria. The incidence of malaria in the Limbe River valley loosely followed the trands in all of Haiti and also supported WHO reports indicating that malaria in Haiti has been in a general decline since the mid-1980s. By showing the seasonal trends for malaria in the Limbe valley and the relationship between rainfall and malaria over an extended time period, this study provides a means to measure the effectiveness of malaria control efforts in the regionen_US


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