Yep, Texas.
CDC.GOV
http://www.cdc.gov
http://www.cdc.gov/ncidod/dbmd/diseaseinfo/diptheria_t.htm
http://www.cdc.gov/nip/menus/vaccines.htm#dtap
===
===
Thanks to a special FReeper for pointing to this article.
http://www.newschannel9.com/engine.pl?station=wtvc&id=848&template=breakout_story1.shtml&dateformat=%25M+%25e,%25Y
"Health Officials Investigating Rare And Potentially Deadly Disease"
John Pless
March 30,2005
ARTICLE SNIPPET: "A Chattanooga woman is being treated for diphtheria as health officials are trying to track down the source of the bacteria that causes the disease."