Doctors say many diseases can be prevented from spreading by hand washing. These include pinworms, influenza, the common cold, hepatitis A, meningitis and infectious diarrhea.

• 医生指出许多疾病的传播可由洗手加以防止。这些疾病包括蛲虫病、流感、普通感冒、甲肝、髓膜炎和传染性痢疾。