Vomiting: Nausea and vomiting may occur, particularly in the early stages. Rash: This is the hallmark symptom of smallpox. The rash usually starts on the face, particularly around the mouth and ...

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 ...

The advent of vaccinations came when a scientist, by the name of Edward Jenner, discovered that an individual exposed to a ...