摘要：Three Australian tourists who recently travelled to islands in the Gulf of Thailand developed febri le illnessesassociated with myalgias, thrombocytopenia, and atypical lymphocytosis. Dengue 1 virus was isolate d from allthree patients. The patients' clinical features and serological and virological investigations are presented. Thesecases highlight the need for awareness of dengue amongst travellers and the preventive precautions required whenvisiting endemic regions. After the urgent exclusion of malaria, dengue should be considered in t he the differentialdiagnosis of febrile persons who have recently returned from endemic regions
