With mosquitoes, flies and the lack of a good sewage system, disease is rife. One type of mosquitoes is nicknamed the "doctor's bug" because its bite is so painful, victims must see a doctor.
由於沒有良好的排水系統，蚊蠅孳生、疫病很多，其中有種渾名「醫生蚊」的斑蚊，人被叮後又腫又痛，非得求助於醫師才能緩解。