| dengue as a cause of acute undifferentiated fever in vietnam. | dengue is a common cause of fever in the tropics but its contribution to the total burden of febrile illnesses that is presented to primary health facilities in endemic regions such as vietnam, is largely unknown. we aimed to report the frequency of dengue as a cause of fever in binh thuan province, to describe the characteristics of dengue patients, and analyze the diagnostic accuracy of the health care workers and the determinants of the diagnostic process. | 2006 | 16869969 |