Pinworms are also called threadworms . they are only 1 cm in length , whitish in colour , which resemble a short piece of thread 蛲虫-蛲虫又称为线虫，长度只有约1厘米，呈白色，状似短线。
6.
Doctor say many diseases can be prevented from spreading by hand washing . these include pinworms , influenza , the common cold , hepatitis a , meningitis and infectious diarrhea 医生说许多疾病的传播可以通过洗手来防止.这些疾病包括蛲虫病,流感,普通感冒,甲肝,脑膜炎和痢疾
7.
As for those intestinal parasitic diseases caused by roundworm , hookworm , pinworm and tapeworm , it was clearly understood that those diseases were related to the parasites lodging in the body and that their occurrence was connected with unclean foodstuffs 对蛔虫、钩虫、蛲虫、绦虫等肠寄生虫病，人们更明确认识到由这些寄生虫寄生在人体而致病，它的发病与饮食不洁有关。
8.
They found that 1 million lives could be saved each year if people washed their hands with soap often , they said that programs to increase hand washing with soap could be among the most effective ways to reduce infections disease , doctor say many diseases can be prevented from spreading by hand washing , this include pinworms , influenza , the common cold , hepatitis a , meningitis and infections diarrhea 他们发现如果人们经常用肥皂洗手每年可挽回100万人生命，他们说增加用肥皂洗手的计划可能是最有效的方法来减少传染性疾病，医生说许多疾病的传播可以通过洗手来预防，这些疾病包括蛲虫病，流感、普通感冒，甲肝，脑膜炎和传染性痢疾。
