| Date | 1807 |
| Author | Anon. |
| Contribution | Royal College of Physicians (Britain) declared vaccination safer than variolation. |
| Reference | Anon. |
| Notes | Variolation refers to inoculation with smallpox rather than cowpox. See 1803 and 1805. |
| Category | Immunology |
| Pathogen Class | General |
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