Question 问题：

Chlamydial pneumonia among infants typically occurs at age 1-3 months and is a subacute pneumonia. What are the characteristic signs of chlamydial pneumonia among infants? 

衣原体肺炎在婴儿中通常在1-3个月发生，导致亚急性肺炎。婴儿衣原体肺炎特征性表现是什么？

Answer 答案：

Characteristic signs of chlamydial pneumonia among infants include a repetitive staccato cough with tachypnea and hyperinflation and bilateral diffuse infiltrates on CXR; peripheral eosinophilia (?400 cells/mm3) occurs frequently。

婴儿衣原体肺炎特征性表现是反复短促刺耳的咳嗽，呼吸急促，和胸片显示过渡通气和弥漫性侵润影。通常有末梢嗜红细胞增多（>400 cells/mm3）。

参考文献：

MMWR July 23, 2021