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When you feel a sneeze or a cough coming on, covering your mouth prevents the spread of infectious germs. You probably knew that. 当你感觉快要打喷嚏或咳嗽的时候，要捂住嘴巴防止传染性细菌的传播。这一点你可能知道。 But the way you cover up also matters, and there are plenty of people who haven't yet heard the consensus guidance of health officials: If no tissue is available, you should aim into your elbow, not your hand. Even if that means breaking a long-held habit. 但捂嘴的方式也很重要。很多人都没有听说过卫生官员给出的指导意见：如果没有纸巾，应该对着臂弯打喷嚏或咳嗽，而不是手掌。即使这意味着你要打破自己长期形成的习惯。 "If somebody sneezes into their hands, that creates an opportunity for those germs to be passed on to other people, or contaminate other objects that people touch," said Dr. Vincent Hill, chief of the waterborne disease prevention branch of the Centers for Disease Control and Prevention. 疾病控制和预防中心水传播疾病预防小组的负责人文森特·希尔博士称：“如果往手心里打喷嚏，就使得细菌有机会传播给其他人，或是污染这个人碰过的其他物品，” | 
