In September and October, 1907, the Brooklyn state Hospital had some cases of typhoid fever. At this time, Drs. Smith and Agnew of this institution sent to Miss W. Carey Noble, of the Bureau of Laboratories, the stools of all the convalescent patients; continued examinations showed that two women (E. O. and A. M.) had become chronic bacillus carriers. In 1912, there were a few cases of typhoid fever, and from these developed another chronic carrier (M. R.). Again, in 1915, a few inmates contracted the disease.
As previous reports have shown the tendency to a high carrier rate in asylums, we thought it worth while because of this history of institutional fever, to cooperate in a survey to determine the incidence of typhoid carriers. Under the direction of one of us, the institution was listed by wards, and ward residence since 1907 indicated for each inmate. Our intention was