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The sterility of each batch of vaccine is tested before it leaves the laboratory. USPHS (United States Public Health Service) Rocky Mountain Laboratory, Hamilton, Montana
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The sterility of each batch of vaccine is tested before it leaves the laboratory. 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.

Subjects
ravalli countymontanahamiltonunited statessafety film negatives
Credit lineThe sterility of each batch of vaccine is tested before it leaves the laboratory. USPHS (United States Public Health Service) Rocky Mountain Laboratory, Hamilton, Montana. 1942-01-01. Vachon, John. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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