Wash your hands frequently. Hand-washing is the most important thing you can do to prevent the spread of disease and stay healthy.

要经常的洗手。洗手时预防疾病最重要的一个环节，并可以让你保持健康。

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They may even lack sufficient water for basic hygiene - to wash themselves and their clothes, and to prevent infection including from foodborne and waterborne diseases.

他们甚至可能缺乏充足的水用于基本卫生—洗澡和洗衣服，以及预防包括由食源性和水源性疾病造成的感染。

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And if you're the one with the cold? Be polite — cover your mouth when you sneeze and wash your hands often to prevent spreading the virus.

如果你已经感冒了，请保持礼貌——当你打喷嚏时候捂住自己的嘴，并且经常洗手以阻止感冒病毒的传播。

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Patients who are ill should be asked to wear a surgical mask to contain their secretions, he says, and they should use tissues and wash their hands frequently to prevent touch contamination.

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