[Achievements and failure of WHO during realization of the control programmes of the communicable diseases during twentieth century].

Eradication of smallpox in 1977 in the world was the greatest achievement of the health status of the world population. It is also greatest cost benefit achievement not only in the health control programmes, but also in general economy. This achievement was possible from from two main reasons: (a) because vertical, well organized programmes was implemented and (b) during realization of the program change of strategy was introduced.

[Verification of tuberculosis prognosis in Poland to the year 2000].

In 1978 year a tuberculosis prognosis in Poland up to 2000 year was prepared in the Institute of Tuberculosis and Lung Diseases in Warsaw, according to epidemiological and epidemiologic-metric model (efficacy of "diagnosis-therapy program" from 60 to 90% and efficacy of BCG vaccination to 60%). The aim of study was to compare epidemiological data for registered tuberculosis cases in 1980-1990 (incidence morbidity and mortality) with the same parameters presented in prognosis for 1980-1991). Efficacy of analyzed programme was similar to predicted values: for incidence of tuberculosis-64%, for morbidity-65% and for mortality-66%.