The hanta virus is not dangerous for the rodents.

汉塔病毒对啮齿类动物没有危险。

Due to the sugar cane monoculture here, the hanta virus has spread rapidly.

由于这里的甘蔗种植单一，汉塔病毒得以迅速传播。

According to researchers, the hanta virus started spreading rapidly after the jungle was cleared for the monoculutre.

据研究人员称，汉塔病毒在丛林被清除为仅有单株植物后开始迅速传播。