Although the percentage
of rate of O. viverrini infection endemic villages was higher than that in
Cambodia found in the present study, the results of Champasack province
included the prevalence rates of 0% and over 90%. Endemic and
none endemic villages are therefore present in a single province. It is
possible that the situation is similar in Lao PDR and Cambodia, but
further investigations are needed to confirm this.
4.4. Need for additional surveys of O. viverrini infection in Cambodia