Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 1 1 1972 06 15 22 31 A. Owrang A. Nadim 2015 10 03 Milk samples were collected once every two weeks from 69 milk distribution centers for a period of one year. The samples were examined for Brucella infection by means of a ring test. It was shown that the infection of milk has no relation to any special season. Cattle, sheep and goat milk were all found infected. Some of the positive milk specimens were cultured and Brucella was isolated. https://ijph.tums.ac.ir/index.php/ijph/article/view/1514 https://ijph.tums.ac.ir/index.php/ijph/article/download/1514/1495