| gnathostoma infection in nakhon nayok and prachin buri, central thailand. | gnathostoma infection in nakhon nayok and prachin buri provinces, central thailand, was investigated. the prevalence and intensity of infection of swamp eels were determined; dog fecal samples and fresh-water copepods were examined for evidence of infection. the overall prevalence of eel infection was 38.1% (117/307) in nakhon nayok and 24.0% (74/308) in prachin buri--the former rate being significantly higher than the latter. most of the positive nalkhon nayok eels (53.8%) harbored only 1-9 lar ... | 2002 | 12693579 |