To combat filariasis , health workers usually prescribe dec tablets .

为了治疗丝虫病，卫生工作者通常会使用dec片剂。

Lymphatic filariasis isn 't limited to guyana .

淋巴丝虫病并不仅仅只限于圭亚那。

Filariasis is difficult to treat , but easy to prevent .

丝虫病很难医治，但是很容易预防。

The goal , as outlined by the world health assembly in 1997 , is to eliminate lymphatic filariasis by 2020 - no easy feat given that the disease persists in some of the most isolated and impoverished regions of the world .

1997年世界卫生大会指定了在2020年消灭丝虫病的目标，这并不容易，因为这种疾病存在于某些最与世隔绝并且贫穷的地方。