“…Thirdly, it was observed that Laotians living in the villages adjacent to the border regularly visit hospitals on the Myanmar side to seek both medical attention and vaccinations, including OPV doses, because they have no medical facilities in their own villages. This situation is in marked contrast to that of the previous episode of Yunnan Province, China described in 1996 5 . Finally, during the period of our stay in this township, nobody was seen to be suffering from a limp, and all the vanguard health staff we interviewed (all of whom were ascertained to have been trained in AFP surveillance) confirmed that they had encountered no AFP patients.…”