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. [Excerpt from Fred Soper's diary, Egypt] (section 3)

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8. [Excerpt from Fred Soper's diary, Egypt] (section 2)

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9. [Excerpt from Fred Soper's diary, Egypt] (section 1)

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

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

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

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

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

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

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

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

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18. Yellow fever vaccination in Belem, Brazil

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

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

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21. Yellow Fever Lecture Notes, Harvard [University]

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22. YAWS: Its Eradication in the Americas

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23. Vaccination with Virus 17D in the Control of Jungle Yellow Fever in Brazil

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24. Typhus in Naples (page 2 of 2)

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25. Typhus in Naples (page 1 of 2)

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

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

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

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

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30. Typhus Fever in Italy, 1943-1945, and its Control with Louse Powder

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31. The United States and the Gorgas Memorial Institute of Tropical and Preventive Medicine and the Gorgas Memorial Laboratory

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32. The Unfinished Business with Yellow Fever

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33. The New Epidemiology of Yellow Fever

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34. The Epidemiology of a Disappearing Disease: Malaria

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35. The Crusader

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36. The Conquest of Typhus

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37. The 1957 Status of Yellow Fever in the Americas

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38. Tent headquarters for typhus control work, Egypt

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39. Studies of the Distribution of Immunity to Yellow Fever in Brazil

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40. Status of Malaria Eradication in the Americas, December 1958

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41. Status of Aedes Aegypti Eradication Campaign

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42. Statistics on causes of death in the Americas

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43. Soper's remarks espousing early regional organization of the World Health Organization

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44. Soper walking with Brazilian President Getulio Vargas

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

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

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

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

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49. Science in Review: DDT, the Army's Insect Powder, Strikes a Blow Against Typhus and for Pest Control

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

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