Chlamydia pneumonia

Chlamydia pneumoniae is a newly discovered type of chlamydia that causes respiratory and lung infections. In 1986, Grayeton et al. Found a chlamydia in students with acute respiratory infections, and later also found it in adult respiratory diseases. At that time, it was named Chlamydia psittaci TWAR-TW strain. Later research proved that the chlamydia is a new species and named Chlamydia pneumoniae. Chlamydia pneumoniae often produces upper respiratory and respiratory infections in children and adults. It is only known that the human is the host of the Chlamydia, and the infection may be transmitted from human to human through respiratory secretions. Children under the age of 5 are rarely infected, and children and young people over the age of 8 are vulnerable to infection, especially in crowded places such as homes, schools, and barracks. Seroepidemiological investigations have confirmed that at least 40% of adults have been infected with the chlamydia, most of which are subclinical. Older people can become infected again.

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