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Author:

 

Ana Maria Seabra van Zeller


Report:

 

Annual Report 31


Page:

 

117


Year:

 

2004


Subject Matter:

 

People in Portugal



Excerpt:

 

Maria Isabel Witenhall van Zeller became notable in Porto for propogating the smallpox vaccine that had been first developed by Jenner (1746-1823). She personally vaccinated around 13400 people, despite objections from both the medical profession and the Church. 




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