Prevalencia de infección reciente por dengue en San Mateo, Anzoategui, Venezuela, 2007- 2008

background: dengue is an infection with different clinical ways of presentation and of a great significance at world scale. objective: to characterize the prevalence of the recent infection due to dengue in san mateo town. methods: universe included 15 000 inhabitants represented by a sample of 535 who were selected by a simple randomized method. a clinical and seroepidemiologic survey was applied. for prevalence estimation authors used the rate by 100 inhabitants. results: the prevalence found was of 14.95 % (95 % ci: 12.1-18.3) involving all age groups and genders. some cases with a typical clinical picture had an igm negative. conclusion: "san mateo" town is an area of dengue transmission.