Does anyone know why variolation (deliberate infection with smallpox in
cuts in the skin) worked as a vaccine, i.e led to only 1 or 2 vs. 30%
mortality, with immunity? I believe variola major was used for this.
[This was before Jenner & vaccination.]
Dan
--
Dan Povey ** email dp10006 at hermes.cam.ac.uk **
(01223) 332754[lab] ** svr-www.eng.cam.ac.uk/~dp10006/ **
Peterhouse, Trumpington St, Cambridge CB21RD
