| malaria prevalence and a brief entomological survey in a village surrounded by rice fields in khammouan province, lao pdr. | we surveyed nongceng, a village in a south-eastern province of lao pdr, for malaria and its vectors. nongceng is situated in a basin and surrounded by rice fields. in february 1998 (dry season), 28.6% of 126 villagers were infected with malaria, and in september 1998 (rainy season), 16.3% of 147 villagers. the prevalence of malaria infection was consistently high in children under 10, and the predominant malaria species was plasmodium falciparum. in brief surveys of the mosquitoes performed on t ... | 2000 | 10672201 |