b型流感嗜血杆菌(以下简称Hib)可通过空气或密切接触传播,主要侵犯5岁以下婴幼儿,感染后可引发肺炎、脑膜炎、败血症、咽喉炎等。一些儿童由于健康带菌而成为病原的传播者。由Hib引发的肺炎初期症状类似感冒,会有咳嗽、流鼻涕、发热、厌食等,后期会持续发热,而且咳嗽有痰,此时,如果照胸部X光 Haemophilus influenzae type b (hereinafter referred to as Hib) can be spread by air or close contact with the main infringement of infants under 5 years of age, infection can lead to pneumonia, meningitis, sepsis, laryngitis and so on. Some children become communicators of the pathogen because of their healthy carriage. The initial symptoms of pneumonia caused by Hib-like flu, there will be cough, runny nose, fever, anorexia, etc., the latter will continue to fever, and cough with sputum, at this time, if the chest X-ray