| Date | 1835 |
| Author | Anon. |
| Contribution | Vaccination of infants made compulsory in England and Wales. |
| Reference | Schreiber |
| Notes | Extended to Scotland and Ireland in 1845. Enforcement left to local authorities. Schreiber W., Infectio., Editiones Roches, Basle,1987. |
| Category | Immunology |
| Pathogen Class | General |
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