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<p>Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
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<br>Subjects: vaccination; vaccine; disease; vesicle; virus; investigations; susceptibility; vaccinated; protective; public domain; protective power; vaccine disease; protective influence; google book; vaccine process; book search; vaccine virus; true disease; tenth day</div>
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Horatio Adams</div>
Internet Archive identifier