The Fred L. Soper Papers
- [Perifocal spraying to control mosquito breeding in Asuncion, Paraguay]
High resolution version (9,108,930 Bytes)
- This photo shows a sanitation worker spraying insecticide on and around a water jug.
- Perifocal treatment is defined on the back of the photograph as "spraying insecticide inside of a mosquito breeding focus
and all-around its proximities or immediate surroundings."
- Number of Image Pages:
- 1 (264,247 Bytes)
- Date Supplied:
- Courtesy of Fred L. Soper.
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- Medical Subject Headings (MeSH):
- Mosquito Control
- Exhibit Category:
- Fighting Yellow Fever and Malaria in Brazil, 1928-1942
- Box Number:
- Unique Identifier:
- Document Type:
- Photographic prints
- Physical Condition:
- Series: Photographs, 1911-1973
- Folder: Yellow Fever Eradication on the Americas
- Metadata Last Modified Date:
- Linked Data: