Thomas Jefferson Papers

To Thomas Jefferson from “An Observer”, before 10 April 1803

From “An Observer”

New York [before 10] April 1803


It is observed that frost stops the progress of the malignant or yellow fever Is it not probable that the frosty air of an ice house would have the same effect upon a person in that disease

An Observer

RC (DLC); partially dated; endorsed by TJ as received from “Anon.” on 10 Apr. and “yellow fever” and so recorded in SJL.

The same correspondent, writing from New York under the pseudonym “An Old Woman,” addressed TJ again on the subject on 8 July 1804.

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