Culture-Negative Septic Pulmonary Embolism Secondary to Lower-Limb Cellulitis Following Recent Dengue Fever Complicated by Hydropneumothorax: A Case Report.

Secondary bacterial infection and septic pulmonary embolism should be considered in patients recovering from dengue fever who develop focal soft-tissue infection, respiratory symptoms, or markedly elevated inflammatory markers. Characteristic radiological findings may establish the diagnosis even when blood cultures are negative and infective endocarditis is absent.