野禽携带的新城疫病毒是新城疫流行传播的重要的潜在传染源。
Newcastle disease virus carried by wildfowl is the important reason and potential source which caused Newcastle disease in poultry.
打开座位上方的通风孔，调整风向，让风从你面前吹过。过滤后的机舱空气有助于将潜在传染源吹到别处。
Open your air vent, and aim it so it passes just in front of your face. Filtered airplane air can help direct airborne contagions away from you.
人与人直接接触导致感染蔓延，呼吸道分泌物，唾液，疱疹的脓液或患者的粪便都是潜在的传染源。
Infection is spread from person to person by direct contact with nose and throat discharges, saliva, fluid from blisters, or the stool of infected persons.
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