ID#: 29817
Caption:
This historic image from 1960 depicted a laboratory technician in the process of conducting an intestinal helminth egg count by implementing the Beaver direct smear method, during a Philadelphia, Pennsylvania anthelminthic mass therapy study.
High Resolution: Click here for hi-resolution image (23.64 MB)
Content Provider(s): CDC/ M.S. Ferguson
Creation Date: 1960
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Copyright Restrictions: Permission is not required for public domain images, however, these images are provided by CDC and are available for personal, professional, and educational use with appropriate attribution. Redistribution must credit CDC and, where known, the individual photographer, and identify the CDC website as the free source. For additional terms see Use of Agency Materials | Other | CDC