Medical workers in the Eli Lilly and Co., laboratories at Greenfield, Ind., place rows of eggs, ready for vaccine production, into incubators at a hatchery.

Digital Commonwealth — Boston Public Library

Medical workers in the Eli Lilly and Co., laboratories at Greenfield, Ind., place rows of eggs, ready for vaccine production, into incubators at a hatchery.

Associated Press · [ca. September 1957]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Influenza: Misc.

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