acute febrile illness

Background Leptospirosis is a common zoonotic disease. Many waterborne diseases and mosquito-borne diseases are common causes of acute febrile illnesses in the southern Indian state of Kerala posing diagnostic challenges. The objective of this study was to describe the epidemiological, clinical and laboratory features of leptospirosis diagnosed using the modified Faine’s criteria (with amendment) compared to other common acute febrile illnesses.