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Cowpox
3
Erysipelas
1
Genetic Engineering -- history
1
Gift Giving
1
History of Medicine
1
Jenner, Edward, 1749-1823.
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Physicians
3
Sculpture
1
Smallpox -- history
1
Smallpox -- prevention & control
3
Smallpox Vaccine -- adverse effects
1
Smallpox Vaccine -- history
1
Vaccination
2
Vaccines
1
Vaccinia virus
1