Data on the number of cases for these diseases from the pre-vaccine era is hard to come by, and even the case counts are ...
Two more deadly waves of the plague hit in the 1500s and 1800s. In fact ... They caused empires to fall and new ones to arise. Smallpox first emerged around 68,000 years ago.
Written by a French-speaking immunologist and translated into English, the book deals less with the eradication of smallpox than Jenner's contributions to the development of vaccination and the ...
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