variolator

variolator

(ˈvɛərɪəˌleɪtɔː)
n
(Medicine) (before the introduction of vaccinations) someone who caused exposure to the smallpox virus to people (by, for example, collecting pus of affected patients) so as to promote immunity
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Smallpox has not re-emerged from an unrecognized human or animal reservoir, from a variolator's store of infected scabs, or infected cadaver, either unearthed or thawed.
However, during the era of eradication, 45 scab specimens were collected from variolators and tested 9 months after collection; live virus was not isolated from any of the specimens (35).
Jenner made his work freely available, which antagonised some variolators who saw the loss of a lucrative monopoly.