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成人与儿童相对而言,对疾病的抵抗力(则免疫力)无疑是较强的,但由于致病病毒及病菌的种类千变万化,致病微生物侵害人体有时来势很猖狂,人体一生对这些致病微生物一直都没接触过,故体内根本对那些疾病是没有丁点免疫力的,所以成人为了预防某些传染病,还是应该接种相关的疫苗。成人可以接种的疫苗包括: 甲肝疫苗、乙肝疫苗——适用于未感染过甲肝、乙肝病毒者。伤寒疫苗——适用于容易感染伤寒者。
The relative resistance of adults and children (immunity) is undoubtedly strong, but due to the ever-changing variety of pathogenic viruses and pathogens, pathogenic microorganisms are sometimes rampant against the human body, the body’s life on these pathogenic Microbes have not been exposed, so the body is not immune to those diseases, so adults in order to prevent certain infectious diseases, or should be vaccinated vaccines. Vaccinations for adults include: Hepatitis A vaccine, Hepatitis B vaccine - For people who have not been infected with Hepatitis A or B virus. Typhoid vaccine - suitable for those who are susceptible to typhoid fever.