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初步观察统计非典型肺炎病人潜伏期一般在1～12 d,大多数在4～5 d发病。病人通常以发热(体温38℃以上)为首发症状,多为高热,并可持续1～2周左右,可伴有寒战或其他症状,包括头痛、全身酸痛和不适、乏力等,部分病人在早期也会有轻度的呼吸道症状(如咳嗽、咽痛等)。发病2～7d后,病人会有干咳、少痰、呼吸困难,少数进展为急性呼吸窘迫综合征,约10％的病人需要机械性通气。血液生化检验示白细胞数大多正常或降低,胸部X线片显示出不同程度的肺炎改变。 与非典型肺炎病人有接触史者一般要通过为期2周的隔离观察,2周内未发病而且没有再次接触非典型肺炎病人和疑似病人则一般不会发病。
The initial observation of patients with atypical pneumonia lag phase generally in 1 ~ 12 d, most of the onset in 4 ~ 5 d. Patients usually fever (body temperature above 38 ℃) as the first symptom, mostly fever, and can last for 1 to 2 weeks, may be associated with chills or other symptoms, including headache, body aches and discomfort, fatigue and some patients in the early There will be mild respiratory symptoms (such as cough, sore throat, etc.). After the onset of 2 ~ 7d, the patient will have dry cough, phlegm, dyspnea, a few progress to acute respiratory distress syndrome, about 10% of patients need mechanical ventilation. Blood biochemical tests showed that most of the normal white blood cells or lower, chest X-ray showed varying degrees of pneumonia changes. Patients with atypical pneumonia who have been in contact for a period of 2 weeks generally have no history of disease after 2 weeks of absence of disease and no contact with atypical pneumonia patients and suspected patients.