For 14 years from 1971 through 1984, we made a research on the infections con dition of pulmonary tuberculosis for university students throughout the country. As a result, it was revealed that the rate of detection of such new patients in periodical medical checkups was under 0.02% from 1982 on compared with 0.055% in 1971. There was practically no significant difference in rate of detection by academic years (0.017•'0.020%) , however, the rate for students in the register for more than 4 years

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... (0.069%) is over 3 times that for students in the register for 4 years or less. Detection of the disease on other occasions than periodical medical checkups showed a tendency to increasing slightly. Such tendency was remarkable in sophomores and juniors. During 4 years from 1981 through 1984, no patient was detected in 8 out of 51 univer sities. These 8 universities were not always small ones.