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Cowpox
2
Jenner, Edward, 1749-1823.
2
Medicine
2
Smallpox -- prevention & control
2
Vitalism
2
Botany
1
Charities
1
Cowpox -- history
1
Dysentery
1
Education, Medical
1
Massachusetts
1
Natural History -- education
1
Smallpox -- therapy
1
Societies, Medical
1
Tobacco -- adverse effects
1
Vaccination
1