Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Proportion of spotted fever group (SFG) rickettsiosis-attributable deaths identified from vital records data that were correctly classified in the Tennessee Department of Health (TDH) surveillance system. 1) International Classification of Disease, Ninth Revision; 2) International Classification of Disease, Tenth Revision.
