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Revista Cubana de Higiene y Epidemiología
versión On-line ISSN 1561-3003
Resumen
GONZALEZ FIALLO, Saylí et al. Seroprevalence of Recent Dengue Infection in a RiskArea. Rev Cubana Hig Epidemiol [online]. 2022, vol.59 Epub 01-Jul-2022. ISSN 1561-3003.
Introduction:
Dengue has become one of the diseases with the greatest epidemiological, social and financial impact worldwide.
Objective:
To estimate the prevalence of recent dengue infection in a risk area.
Methods:
A cross-sectional study conducted between July and September 2021 on the Isle of Youth, Cuba. 12 blocks, 57 houses and 2 residents per house were selected for the epidemiological study. The UMELISA Dengue IgM Plus Kit was used for the serological determination. Absolute and relative frequencies, chi-square test and confidence interval were calculated. The seropositive cases and the analysis of the positive breeding sites in the radius of action were mapped. Population density was estimated and temperature and rainfall variables were taken into account.
Results:
A total of 106 individuals were studied and a seroprevalence of 10.3% (95% CI, 5.29-17.81) was found. Females had a higher prevalence rate (14.7%) (95% CI, 7.28-25.39), as well as individuals aged over 60 years (11.9%) (95% CI, 3.98-25.63). A significant association was identified between seroprevalence and sex. Eleven positive cases were mapped and the presence of the vector was documented. Average temperature was similar over the three months under study, while rainfall was higher in August. Positive breeding sites tended to increase with a higher peak in September.
Conclusions:
Seroprevalence of dengue infection on the Isle of Youth in the period under study is high and is associated with the sex.
Palabras clave : seroepidemiologic studies; prevalence; dengue.