冬春季节,小儿容易得一种呼吸道传染病,叫百日咳。百日咳的病程较长,但并不一定要咳一百天。短的几天,长的两个月,一般的4至6周就会好。百日咳开始很象感冒,打喷嚏、咳嗽、轻度发烧。三四天后,咳嗽越来越重,出现阵发性痉挛性咳嗽。咳嗽一声接一声的,使人不能吸气, Winter and spring, children easily get a respiratory disease, called whooping cough. Whooping cough longer course, but not necessarily cough for a hundred days. Short days, long two months, usually 4 to 6 weeks will be good. Pertussis begins to feel like a cold, sneezing, coughing, mild fever. Three or four days later, the cough more and more heavy, paroxysmal spasmodic cough. Cough followed by one, people can not inhale,