| brucella suis infection in philadelphia. a survey of hog fever and asymptomatic brucellosis. | examination of hospital and public health records revealed 19 cases of brucellosis diagnosed in philadelphia between 1968 and 1972. a serologic survey at philadelphia's largest hog-processing plant, however, indicated infection in 39% of workers. if extrapolated industry-wide, the total would be several hundred in philadelphia. the infection is usually unrecognized or asymptomatic, since men were active in physically demanding jobs with agglutinin titers in excess of 1:5000. overt illness, usual ... | 1976 | 1247015 |
| brucella suis infection associated with feral swine hunting - three states, 2007-2008. | historically, brucellosis from brucella suis infection occurred among workers in swine slaughterhouses. in 1972, the u.s. department of agriculture national brucellosis eradication program was expanded to cover swine herds. subsequent elimination of brucellosis in commercial swine resulted in a decrease in b. suis-associated illness in humans. currently, swine-associated brucellosis in humans in the united states is predominantly associated with exposure to infected feral swine (i.e., wild boar ... | 2009 | 19521334 |