Subsequently malaria and typhoid were ruled out by laboratory tests. He developed pharyngitis, facial and pharyngeal oedema and erythema, and bleeding and ecchymoses at venipuncture sites. He was started on IV ribavirin. On Day 3 of treatment, his temperature had come down and he was much improved. He continues to have albuminuria, but there is no evidence of renal, hepatic or pulmonary failure.
Prothrombin times remain moderately elevated.
All contacts are being followed with temperatures recorded twice daily. This is the third introduction of Lassa fever into urban Freetown. This is the first case involving UN peacekeeping forces. There is no laboratory capacity to confirm the diagnosis, and no definitive investigation has been done. The patient was treated with artemisine.