You are given a sentence in English. Your job is to translate the English sentence into Japanese.

Recent studies have shown that in areas where there are no vultures, carcasses take up to three to four times to decompose, and this has huge ramifications for the spread of diseases.
ハゲワシがいないと死骸が自然分解されるまでに ３ － ４倍程の時間がかかるという調査が最近発表されました病気の拡散には重大な影響を及ぼします