41. [Six laboratory workers preparing dead rats for examination during the antiplague campaign, San Francisco, Calif.] Publication: [1907 or 1908] Subject(s): Communicable Disease ControlPlague -- prevention & controlDissectionLaboratory PersonnelSan Francisco
42. S[an] F[rancisco] Plague Campaign 1907-8: "Creating an atmosphere." Sprinkling lime Publication: [1907 or 1908] Subject(s): Communicable Disease ControlPlague -- prevention & controlSan FranciscoUnited States. Public Health and Marine Hospital Service.
43. [Eight public health service workers (?) (full-length portrait, standing, facing front) holding buckets filled with rat bait (?), San Francisco, Calif.] Publication: [1907 or 1908] Subject(s): Communicable Disease ControlPlague -- prevention & controlSan FranciscoUnited States. Public Health and Marine Hospital Service.
44. [Disinfecting (?) crew and horse and wagon, San Francisco, Calif.] Publication: [1907 or 1908] Subject(s): Communicable Disease ControlPlague -- prevention & controlSan FranciscoUnited States. Public Health and Marine Hospital Service.
45. [Men watching smoke rising from debris, San Francisco, Calif.] Publication: [between 1907 and 1909] Subject(s): Communicable Disease ControlPlague -- prevention & controlUnited States. Public Health and Marine Hospital Service.
46. [Sanitary privies along the back property lines of an agricultural migrant village] Publication: 1930? Subject(s): Toilet FacilitiesRural HealthCommunicable Disease ControlSanitationUnited States
47. Among the men of death pneumonia ranks third Publication: [Washington, D.C. : U.S. Public Health Service, 1930?] Subject(s): Pneumonia -- prevention & controlCommunicable Disease ControlHealth Promotion
48. [Epidemics]: [Examining rats for bubonic plague in New Orleans] Publication: [United States] , 1914 Subject(s): Communicable Disease ControlRodent ControlPlague -- prevention & control
49. Adults beware of communicable diseases! Publication: [Bismarck, N.D.] : North Dakota State Dept. of Health and Consolidated Laboratories, Division of Disease Control, [19--] Subject(s): Communicable Disease ControlPreventive Health ServicesAdult
50. Les vaccinations mettent à l'abri de nombreuses maladies contagieuses Publication: Marseille : Ministère de la santé publique, Centre d'éducation sanitaire du Sud-est, [193-?] Subject(s): VaccinationCommunicable Disease Control