Diary of Reverend Enos Hitchcock, April 12, 1777

Innoculated² about 10 o.clock A. M. took mercurial pill in evening, pleasant

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² This method for preventing small pox preceded Jenner's vaccination.

SOURCE: William B. Weedex, Editor, formerly Captain Battery C, First R. I. Light Artillery, and Chief of Artillery, First Division, Fifth Corps, A. P., Diary of Enos Hitchcock, D. D., A Chaplain in the Revolutionary Army, p. 107