冬去春来,天气转暖,万物复苏。此时正值各种病源微生物易于生长繁殖和作祟之际。加之早春的气候多变,冷暖莫测,每当人体抵抗力减弱或对外界环境适应性差的时候,则容易发生流行性感冒(简称流感)。特别是近些年来,随着经济的发展,人的流动性加大,南来北往的人增多,往往容易造成流感的爆发流行。 Winter to spring, the weather gets warmer, everything revives. At this time positive when a variety of pathogenic microorganisms prone to growth and cause trouble at the occasion. Coupled with the early spring climate changeable, warm and unpredictable, whenever the human body weakened resistance or poor adaptability to the external environment, then prone to influenza (referred to as flu). Especially in recent years, with the development of economy, people’s mobility has increased, and the increase of people going from south to north has often easily caused the outbreak of influenza.