The medical community also takes aging for granted, and can do nothing about it except keep people within a certain health range.
医学界也认为衰老是理所当然的，除了让人们维持一定程度的健康，他们无能为力。
Person-to-person transmission occurs in both community and health care settings, where the virus may be spread by contaminated medical equipment, such as re-used needles.
在社区和卫生保健环境中均可发生人际传播 ，那里病毒可通过再次使用的针头等受污染的医疗设备传播。
The writer, a medical geneticist, is director of clinical services and community outreach, Program for Jewish genetic Health at the Albert Einstein College of Medicine.
留言者是位医学遗传学家，在爱因斯坦医学院犹太基因健康项目组中担任临床与社区拓展服务方向的主管。
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