Mosquito-borne enigma

![Figure][1] A 25-year-old Indian man from Mumbai presented 5 months after arrival in Singapore in 2013 with fever and myalgia for 5 days. Physical examination was unremarkable. Laboratory investigation showed total white cell count 5.21 × 109/L (3.4-9.6 × 109/L), hemoglobin 13.9 g/dL (12.9