and interest of the work done during the last session. Notwithstanding the deterrent effect of an unusually cold and prolonged winter, the meetings were well attended, and several of the most important topics of epidemiological science were brought before us in papers of great value and interest, and in the profitable discussions t'hat followed. Of such I may enumerate, Cholera as it has appear...

Persistent subcutaneous nodules may arise after vaccination or allergen desensitization. The swelling might appear as a result of a specific histiocytic reaction to aluminum, which is used in many preparations to hasten immune response. A wide range of such vaccines are used in national childhood vaccination programs. Such nodules are frequently itchy or painful with local skin alterations. The...

In a breeding herd previously infected with brucellosis, 203 cows of various crossbreeds were inoculated subcutaneously with a dose of 3.1 x 10 colony-forming units (CFU) of Brucella abortus strain 19. They had been vaccinated as calves with the standard dose of 60 x 10 CFU of this vaccine strain, and had become negative to the slow tube agglutination test (SAT) at the moment of revaccination. ...