| distribution and abundance of opisthorchis viverrini metacercariae in cyprinid fish in northeastern thailand. | to increase public health awareness for prevention of opisthorchiasis caused by eating raw freshwater fish, the distribution and abundance of opisthorchis viverrini metacercariae (ov mc) was investigated in freshwater fish obtained from 20 provinces in northeastern thailand between april 2011 and february 2012. a cross-sectional survey was conducted on 12,890 fish consisting of 13 species randomly caught from 26 rivers, 10 dams, and 38 ponds/lakes. fish, were collected in each of the rainy and w ... | 2013 | 24516277 |