Wang Wen, Liu Shengtao, Qin Xincheng, Liang Junrong, Huang Jinwei, Qin Tian
National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.
Department of Respiratory and Critical Care Medicine, Wenzhou Medical University Lishui Hospital, Lishui City, Zhejiang Province, China.
China CDC Wkly. 2025 Mar 21;7(12):389-392. doi: 10.46234/ccdcw2025.064.
WHAT IS ALREADY KNOWN ABOUT THIS TOPIC?: () is an important pathogen associated with respiratory infections. In China, pneumonia is not a notifiable infectious disease and is frequently overlooked in clinical detection protocols for community-acquired pneumonia. Consequently, the prevalence and genotypic distribution of chlamydial infections remain inadequately characterized.
WHAT IS ADDED BY THIS REPORT?: We investigated four patients with pneumonia in Lishui City, Zhejiang Province, China, between April and May 2024. All patients exhibited decreased levels of retinol-binding protein and prealbumin, with two patients presenting with co-infections. Analysis of the 16S rRNA and gene sequences demonstrated 98% to 100% homology with known strains. To further characterize these isolates, we sequenced seven housekeeping genes, which revealed that all four patients were infected with the ST16 sequence type.
WHAT ARE THE IMPLICATIONS FOR PUBLIC HEALTH PRACTICE?: Our findings underscore the necessity for enhanced surveillance and research on chlamydial infections, as well as the implementation of next-generation sequencing methodologies to improve pathogen identification, particularly in complex cases involving co-infections.
关于该主题已知的信息有哪些？：（ ）是一种与呼吸道感染相关的重要病原体。在中国，（ ）肺炎不是法定报告传染病，在社区获得性肺炎的临床检测方案中经常被忽视。因此，衣原体感染的流行情况和基因型分布仍未得到充分描述。
本报告补充了哪些内容？：我们于2024年4月至5月期间对中国浙江省丽水市的4例（ ）肺炎患者进行了调查。所有患者的视黄醇结合蛋白和前白蛋白水平均降低，其中2例患者合并感染。对16S rRNA和（ ）基因序列的分析表明，与已知（ ）菌株具有98%至100%的同源性。为了进一步鉴定这些分离株，我们对7个管家基因进行了测序，结果显示所有4例患者均感染了ST16序列型。
对公共卫生实践有何启示？：我们的研究结果强调了加强对衣原体感染的监测和研究的必要性，以及采用新一代测序方法来改进病原体鉴定的必要性，特别是在涉及合并感染的复杂病例中。
