In 1987—1991 from 43 451 to 28 445 persons being often in contact with diseased animals were examined annually. The total number of registered cases of brucellosis was 423, and in the consecutive years 98, 98, 72 and 59 cases were diagnosed, respectively. Comparing the results of the previous seven years with the last five the number of infection decreased by 637. Veterinary surgeons, veterinary technicians and veterinary nurses were most often exposed to infection with brucellae.
In 1992-1993 39 961 people often exposed to contact with diseased animals (veterinary surgeons, veterinary technicians, veterinary nurses, technicians, meat plants workers and others) were examined. The total number of registered cases of brucellosis was 118.
В 1980—1984 гг. исследовали ежегодно 92 371— 101 763 лиц, пяофессионально подвергающихся инфекции палочками Brucella. Число зарегистрированных случаев бруцеллеза составило 831 Соответственно ежегодно регистрировали: 222, 155, 158, 149, 147. По сравнению с предыдущей 5-леткой число заболеваний уменьшилось на 308 случаев. Наиболее экспонированными на инфекцию были лица, работабщие на следующих постах: ветеринарный врач-техник-санитар, скотник, дояр, мясник колбасник, убойный.