Vaccine pioneer (6)
I believe the answer is:
jenner
(Other definitions for jenner that I've seen before include "he jabbed early on" , "Lament" , "Pioneer of vaccination" , "physician" , "Sir William - - of small-pox vaccine fame" .)
I believe the answer is:
jenner
(Other definitions for jenner that I've seen before include "he jabbed early on" , "Lament" , "Pioneer of vaccination" , "physician" , "Sir William - - of small-pox vaccine fame" .)