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Harvesting embryos containing yellow fever vaccine virus. Tops of eggs are removed by means of acetylene torch under completely sterile conditions. USPHS (United States Public Health Service)  Rocky Mountain Laboratory, Hamilton, Montana
Public domain

Harvesting embryos containing yellow fever vaccine virus. Tops of eggs are removed by means of acetylene torch under completely sterile conditions. USPHS (United States Public Health Service) Rocky Mountain Laboratory, Hamilton, Montana

Vachon, John · 1942-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Credit lineHarvesting embryos containing yellow fever vaccine virus. Tops of eggs are removed by means of acetylene torch under completely sterile conditions. USPHS (United States Public Health Service) Rocky M. 1942-01-01. Vachon, John. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.

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