Apparently, smallpox may have been good for
something after all: it may have given some
partial immunity to AIDS

http://news.bbc.co.uk/2/hi/health/8686750.stm

Well, OK, the vaccine seems to be of some use
against HIV/AIDS. But it's not too large a
stretch to conclude that smallpox might have
had the same effect.

--
| The brighter the stupid burns, the more |
| chance that someone will see the light. |
+- D. C. Sessions -+