| changes in malaria vector densities over a twenty-three year period in mae hong son province, northern thailand. | mae hong son province in northwestern thailand has a long history of malaria. during the last two decades the province has had one of the highest malaria incidences of all provinces in thailand. data were analyzed to determine whether the vector populations were stable or increasing during the last two decades and to determine the seasonal prevalence of the main vectors, and whether or not they were related to the malaria transmission peak, in the wet season. we compiled and analyzed accumulated ... | 2004 | 15691130 |