21. The species is pathogenic and can cause leptospirosis , most commonly in pigs. 22. A salmonella reference service had been initiated and a leptospirosis diagnostic service introduced. 23. Is poverty largely to blame for the leptospirosis epidemic or are other factors involved? 24. Leptospirosis does not only afflict economically underdeveloped countries.25. Although zoo lions and tigers get leptospirosis , it does not occur in housecats. 26. The assumption was that he had leptospirosis , an infection that rats can transmit. 27. Last year, a number of racers got leptospirosis after a Philippines adventure race. 28. The CDC and the World Health Organization agree that leptospirosis has historically been underreported. 29. Karp's pregnant wife took preventive antibiotics, since leptospirosis can cause miscarriage. 30. Research programs there included the study of leptospirosis , rickettsial diseases such as typhus.