Mycoplasma pneumoniae is an major pathogen associated with respiratory infections. The pathogen causes primary atypical pneumonia as well as systemic organ lesions. M. pneumonia is a major cause of respiratory infections in schoolchildren and is also responsible for respiratory tract infections in adults. Further study of the body's immune response to M. pneumoniae infection is crucial to the development of targeted drugs. Study of the epidemiology of M. pneumoniae and its symptoms will help with its clinic...