Dengue and primary care: a tale of two cities

Dengue virus infection is increasingly being recognized as the world’s major emerging tropical disease.1 Every year about 2.5 billion people worldwide are at risk of dengue. The disease infects an estimated 50 to 100 million individuals and, in some years, is responsible for around as many as 500 000 hospital admissions.1,2 An average 22 000 people die annually from the disease, three times more than influenza A H1N1 killed in 2009.1–3