
BCG vaccination has been given to infants and children so extensively and repeatedly for more than 55 years in Japan that it is very difficult, or often impossible to diagnose tuberculosis infection by tuberculin testing. On the other hand, as the treatment of latent tuberculosis infection has become more and more important recently, diagnosis of infection is becoming more and more important at the occasions of contact survey. However, understanding of the health care workers about transmission of tuberculosis is incomplete frequently at present. This is the reason why the author has written this review. The author has described on the history of the progress of droplet nuclei infection theory, infectivity of tuberculosis by bacteriological status of the patients, importance of cough, susceptibility of the host, and environmental factor concerning transmission of tubercle bacilli in this issue.
結核の感染, Male, Infectivity of culture positive case, 結核感染危険率, Air Microbiology, Quanta, 塗抹陽性患者の感染性, Disease Outbreaks, Tuberculosis infection from nonrespiratory sources, Nosocomial infection, Pregnancy, Annual risk of tuberculosis infection in Japan, 飛沫核感染, Tuberculosis Vaccines, Maternal-Fetal Exchange, Compromised host, Gastric Juice, Virulence, 院内感染, Highly infectious case, Bronchoscopes, Tuberculosis transmission, Female, Autopsy, Risk, Virulence and infection, Sensitivity of the host, Immunocompromised Host, Infectivity of smear positive case, Droplet nuclei infec tion, Disease Transmission, Infectious, Accidents, Occupational, Animals, Humans, Tuberculosis, 感染単位, 空気感染, 易感染性, Saliva, 培養陽性患者の感染性: 結核感染を受ける者, 呼吸器以外からの結核感染, Sputum, Mycobacterium tuberculosis, Infectious Disease Transmission, Vertical, 結核菌の毒力と感染, Cough, 換気, Air exchange, Infection risk index, Tuberculosis outbreak, Airborne infection, 結核集団感染, Laboratories, 結核感染危険度指数
結核の感染, Male, Infectivity of culture positive case, 結核感染危険率, Air Microbiology, Quanta, 塗抹陽性患者の感染性, Disease Outbreaks, Tuberculosis infection from nonrespiratory sources, Nosocomial infection, Pregnancy, Annual risk of tuberculosis infection in Japan, 飛沫核感染, Tuberculosis Vaccines, Maternal-Fetal Exchange, Compromised host, Gastric Juice, Virulence, 院内感染, Highly infectious case, Bronchoscopes, Tuberculosis transmission, Female, Autopsy, Risk, Virulence and infection, Sensitivity of the host, Immunocompromised Host, Infectivity of smear positive case, Droplet nuclei infec tion, Disease Transmission, Infectious, Accidents, Occupational, Animals, Humans, Tuberculosis, 感染単位, 空気感染, 易感染性, Saliva, 培養陽性患者の感染性: 結核感染を受ける者, 呼吸器以外からの結核感染, Sputum, Mycobacterium tuberculosis, Infectious Disease Transmission, Vertical, 結核菌の毒力と感染, Cough, 換気, Air exchange, Infection risk index, Tuberculosis outbreak, Airborne infection, 結核集団感染, Laboratories, 結核感染危険度指数
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