Abstract
Between 2004 and 2008, around 30-60 cases of dengue fever in travellers were reported annually in Sweden. Over 75% of cases in 2005-2008 were infected when travelling to Southeast Asia, most if them in Thailand, one of the Swedes most popular holiday destinations. Since 2007, we have observed a 55% increase in the number of dengue fever cases reported per month, with 17 cases reported in January 2009 alone.
Highlights
Trends in Swedish travellers Dengue fever is a notifiable disease in Sweden, and the cases reported here are laboratory-confirmed cases that were reported to the Swedish Institute for Infectious Disease Control
Patients were referred to infectious disease clinics, where the diagnosis was made following laboratory confirmation at the Swedish Institute for Infectious Disease Control
There has been no report of dengue haemorrhagic fever/dengue shock syndrome (DHF/DSS) among Swedish travellers
Summary
Trends in Swedish travellers Dengue fever is a notifiable disease in Sweden, and the cases reported here are laboratory-confirmed cases that were reported to the Swedish Institute for Infectious Disease Control. The global incidence of dengue fever has increased over the past few years, and there are frequent reports of large outbreaks in Asia and Latin America [1]. Dengue virus infection is one of the most common causes of fever in travellers to countries in the Caribbean, Central America and Southeast Asia [3].
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