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From J. M. Grandclément   [May 1874]

Summary

He was chagrined to read in Descent CD’s statement that smallpox vaccine has saved thousands of lives. He has found no scientific reason to believe in the prophylactic effect of the vaccine. In epidemic of 1870–1, smallpox killed more vaccinated persons than were killed by cholera, against which there is no vaccine, in 1853–4. Cites the difficulties in arriving at a conclusive proof of vaccine’s effectiveness.

Author:  Joseph Marie Grandclément
Addressee:  Charles Robert Darwin
Date:  [May 1874]
Classmark:  DAR 165: 87
Letter no:  DCP-LETT-9436

From J. M. Grandclément   [after 15 June 1874]

Summary

Thanks CD for his answer to his letter. It has not convinced him – he still sees no reason to believe in the prophylactic effect of the vaccine.

Sends an article he has written answering Émile Blanchard of the Academy. Naturalists in France who occupy official positions are not independent.

Author:  Joseph Marie Grandclément
Addressee:  Charles Robert Darwin
Date:  [after 15 June 1874]
Classmark:  DAR 165: 88
Letter no:  DCP-LETT-9479
Document type
letter (2)
Addressee
Correspondent
Date
1874 (2)
letter