大灾之后必有大疫,这是古今中外的经验教训。因为,无论是旱灾、风灾、洪灾、地震等,都会使人们处于恶劣的生存环境,各种致病因子随灾害迅速蔓延,加之在灾害环境下,人的精神高度紧张,机体抵抗力普遍下降,发病后得不到及时诊治,极易造成疫病广泛流行。1998年7～8月份全国许多地区 There must be a big epidemic after the catastrophe, which is the lesson learned both at home and abroad. Because, whether it is droughts, windstorms, floods, earthquakes, etc., will make people in a harsh living environment, a variety of pathogenic factors with the rapid spread of disasters, combined with the disaster environment, the human spirit is highly tense, body resistance generally declined, Not timely diagnosis and treatment after onset, can easily cause epidemic widespread. From July to August 1998 in many parts of the country