Tetanus

Tetanus

First a wiki link on the subject: http://en.wikipedia.org/wiki/Tetanus

Second, here are some extra links on the same subject:

http://www.cdc.gov/vaccines/vpd-vac/tetanus/

http://www.mayoclinic.org/diseases-conditions/tetanus/basics/definition/con-20021956

There are many more links on this subject, too.