However in the 1960-1980 period, there was an increasing trend in importedmalaria originating in Afghanistan.
但是，在1960至1980年期间，源自阿富汗的输入性疟疾曾出现过上升趋势。
2
The results of investigation on parasitology, entomology and social factors showed that importedmalaria is the infection source of the outbreak.
从寄生虫学、昆虫学和社会因素的调查结果表明，输入性疟疾是引起本次暴发流行的传染来源。
3
Results showed that P. vivax is sensitive to chloroquine in Laza, Myanmar, and chloroquine can still be used for the imported vivax malaria cases at the China-Myanmar border.