| prevalence of patients with acute febrile illnesses and positive dengue ns1 tests in a tertiary hospital in papua new guinea. | because the prevalence of dengue fever in urban settings in papua new guinea is unknown, we investigated the presence of dengue using the ns1 antigen test in an outpatient-based prospective observational study at port moresby general hospital. of 140 patients with acute febrile illnesses, dengue fever was diagnosed in 14.9% (20 of 134; 95% confidence interval [95% ci] = 9.6-22.4). malaria (2 of 137; 1.5%; 95% ci = 0.3-5.7), chikungunya (3 of 140; 2.1%; 95% ci = 0.6-6.6), and bacterial bloodstrea ... | 2015 | 25331803 |