Interestlingly, the immunity from an HPV infection is
actually less than the immunity from the vaccine and
doesn't last as long:
http://scienceblogs.com/erv/2010/04/..._infection.php
(The paper isn't published yet.)
Oh, by the way: HPV is orally transmissible and appears to
account for a large share of neck-and-throat cancers.
--
| The brighter the stupid burns, the more |
| chance that someone will see the light. |
+- D. C. Sessions -+