Reported cases of opisthorchiasis in Thailand[43]. A: Reported cases of opisthorchiasis per 100 000 populations, 2001-2006; B: Reported cases of opisthorchiasis by month, 2002-2006; C: Reported cases of opisthorchiasis per 100 000 populations by age group, 2003-2006; D: Reported cases of opisthorchiasis by sex, 2003-2006; E: Reported cases of opisthorchiasis by occupation, 2003-2006; F: Reported cases of opisthorchiasis by region, 2003-2006.