| human leptospirosis trends: northeast thailand, 2001-2012. | the objective of this study was to determine the changing trend of leptospirosis over time in thailand using two prospective hospital-based studies conducted amongst adult patients with acute undifferentiated fever (aufi) admitted to maharat nakhon ratchasima hospital, nakhon ratchasima province, thailand between july 2001 to december 2002 and between july 2011 to december 2012. during the first period, leptospirosis (98 patients, 40%) and scrub typhus (59 patients, 24.1%) were the two major cau ... | 2014 | 25141000 |