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. 2018 Jun;146(8):1048-1055.
doi: 10.1017/S0950268818000900. Epub 2018 Apr 15.

Long-term epidemiological dynamics of dengue in Barbados - one of the English-speaking Caribbean countries

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Long-term epidemiological dynamics of dengue in Barbados - one of the English-speaking Caribbean countries

A Kumar et al. Epidemiol Infect. 2018 Jun.

Abstract

Using the dengue surveillance program, we prospectively collected data on all the suspected and confirmed cases of dengue in Barbados from 2006 to 2015. Data were analysed for demographic, seasonal and temporal dynamics of this disease in this country. The overall mean annual incidence rate of suspected and confirmed dengue over the study period was 0.49% (range 0.15%-0.99%) and 0.16% (range 0.05%-0.48%), respectively. There was a significant correlation between the mean monthly number of confirmed cases, the mean monthly rainfall and the mean monthly relative humidity percentage. Dengue in this population is predominantly an infection affecting children and young adults. The median age of the patients with both, suspected and confirmed dengue was 25 years and the highest proportion of cases was seen in the age group 0-15 years. The annual incidence rates of both the suspected and the confirmed cases showed an upward trend during the study period and this upward trend was more pronounced among children.

Keywords: Barbados; Caribbean region; climatic factors; dengue epidemiology; incidence trends.

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Figures

Fig. 1.
Fig. 1.
Total annual rainfall and the number of dengue cases in Barbados, 2006–2015.
Fig. 2.
Fig. 2.
Mean monthly rainfall and mean monthly number of confirmed dengue cases in Barbados, 2006–2015.
Fig. 3.
Fig. 3.
Incidence rate of suspected dengue in children and adults, Barbados, 2006–2015.
Fig. 4.
Fig. 4.
Incidence rate of confirmed dengue in children and adults, Barbados, 2006–2015.

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