All of the following statements about Leptospirosis are true, except:
Infection acquired by direct contact with infected urine
Moality is 5-15% in severe cases
Antibodies are usually detectable in the first week
IV penicillin is recommended for treatment of severe cases
Antibodies are usually detectable from 12th day of disease and peaks level is seen by the 3rd week. Low titres will be present for years. Ref: Kliegman, Behrman, Jenson, Stanton (2008), "Nelson textbook of Pediatrics", Chapter 217, "Leptospira", Volume 1, Page 1272; Textbook of Microbiology by Ananthnarayan, 7th Edition, Page 392; Park's Social and Preventive Medicine , 20th Edition, Page 7255; Harrison's Principles of Internal Medicine, 17th Edition, Pages 1050-51