Since then, however, medical science has come to recognize that this law helped keep the water sources free from contamination and provided protection from many illnesses carried by insects.
بعدها دانشمندان پی بردند که قانون مزبور برای حفظ منابع آب آشامیدنی و جلوگیری از شیوع بیماریها از طریق حشرات بسیار مفید بوده است .‏