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Clinical and laboratory features of dengue virus-infected travellers previously vaccinated against yellow fever.
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Abstract
Dengue is a mosquito-borne viral infection endemic throughout the tropics and subtropics. The global prevalence of dengue has grown dramatically in recent years and it has become a major international public health concern. The close taxonomic relationships between yellow fever and dengue viruses gave rise to concerns that previous vaccination against yellow fever could modify the course of dengue infection and contribute to the development of dengue haemorrhagic fever/dengue shock syndrome (DHF/DSS). This study reports the clinical and laboratory features of dengue virus-infected travellers previously vaccinated against yellow fever.