In this task, given a sentence in the English language, your task is to convert it into the Japanese language.
Example: Test subjects will be administered either a placebo or PA-457 that will be taken in combination with the medication they already take.
Example solution: 被験者は、彼らがすでに服用している薬剤と一緒に偽薬またはPA-457を与えられる。
Example explanation: The above sentence is correctly translated from English to Japanese.

Problem: According to the lawsuit, waste from the UN camp was not properly sanitized, causing bacteria to enter the tributary of the Artibonite River, one of Haiti's largest.

Solution: 訴訟によると、国連キャンプからの廃棄物はきちんと消毒されず、ハイチの最も大きな川の１つであるアルティボニット川の支流にバクテリアが入る原因になった。