Dengue fever is a neglected tropical disease, transmitted to humans via the Aedes aegypti mosquito, that has a considerable social, economical and public health impact on tropical developing countries all over the world (1). The illness contributes a significant burden of disease to the majority of countries in the Caribbean (2), and has been endemic in Trinidad and Tobago since 1991, with an incidence of 0.49 cases per 1000 in 2004 (3).