1. [Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 3)

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2. [Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 2)

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3. [Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 1)

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4. [Stopping mosquitoes at the border] (image 3)

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5. [Stopping mosquitoes at the border] (image 2)

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6. [Stopping mosquitoes at the border] (image 1)

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7. [Counting hookworms in prisoners in Asuncion, Paraguay] (image 2)

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8. [Counting hookworms in prisoners in Asuncion, Paraguay] (image 1)

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9. [Bernard Award of the World Health Organization Medal] (front)

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10. [Bernard Award of the World Health Organization Medal] (back)

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11. [A type of privy put in as a result of the campaign against hookworm in Paraguay] (image 4)

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12. [A type of privy put in as a result of the campaign against hookworm in Paraguay] (image 3)

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13. [A type of privy put in as a result of the campaign against hookworm in Paraguay] (image 2)

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14. [A type of privy put in as a result of the campaign against hookworm in Paraguay] (image 1)

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15. Yellow fever vaccination in Belem, Brazil

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16. Yellow fever laboratory, viscerotomy section, Rio de Janeiro

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17. Yellow Fever Service and Rockefeller Foundation personnel after a staff luncheon in Rio de Janeiro, Brazil

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18. Typhus in Naples (page 2 of 2)

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19. Typhus in Naples (page 1 of 2)

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20. Typhus Fever in Italy, 1943-1945, and its Control with Louse Powder (Figures 9 & 10)

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21. Typhus Fever in Italy, 1943-1945, and its Control with Louse Powder (Figures 15 & 16)

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22. Typhus Fever in Italy, 1943-1945, and its Control with Louse Powder (Figures 13 & 14)

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23. Typhus Fever in Italy, 1943-1945, and its Control with Louse Powder (Figures 11 & 12)

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24. Tent headquarters for typhus control work, Egypt

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25. Soper walking with Brazilian President Getulio Vargas

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26. Soper preparing for an inspection tour of Maranhao, Brazil

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27. Soper on one of his many journeys as director of the Pan American Health Organization

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28. Signing the agreement between the World Health Organization and the Pan American Sanitary Organization, 24 May 1949

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29. Senior personnel of the Malaria Service of the Northeast [MSNE], in front of the MSNE laboratory in Aracati, Ceara, Brazil

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30. Sanitary inspector checking for Aedes aegypti mosquito larvae in Mexico

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31. Rural family in Caicara, Brazil with an officer from the malaria service

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32. Perifocal spraying to control mosquito breeding in Asuncion, Paraguay

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33. Perifocal spraying of a water container in squatter dwelling in Caracas, Venezuela

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34. Pan American Health Organization (PAHO) headquarter buildings in Washington, DC

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35. Organizacao Administrativa Do Servico Nacional De Febre Amarela

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36. Notecard with photo of the yellow fever laboratory in Rio de Janeiro, and inset photos of rhesus monkeys in lower corners

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37. Microscopists screening Anopheles larvae for Anopheles gambiae

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38. Lasker Award statuette

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39. Jaguaribe river during rainy season in Ceara, Brazil

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40. Fred Soper in India

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41. Fred Soper as director of the Pan American Health Organization

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42. Fred Soper and his Alpha Kappa Kappa fraternity brothers at Rush Medical College

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43. Fred L. Soper's United States passport

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44. Fred L. Soper and Alexander W. Burke crossing a bridge to investigate an area where yellow fever occurred without the Aedes aegypti mosquito

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45. Fred L. Soper

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46. Emergency cemetery for malaria victims in Ceara, Brazil

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47. Dusting villagers with louse powder in Esbe Rameses, Egypt

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48. Diagram of male hookworms used in public education lectures

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49. Diagram of female hookworms used in public education lectures

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50. De-lousing clothing on a street corner in Mitrihena, Egypt

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