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<title>2002-2003 Infectious Disease - Typhus Fever (Murine)</title>
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      <h2 align="left"><font face="Arial" color="#FFFFFF">2002 Indiana Report of Infectious
      Diseases</font></h2>
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<h2 align="center">Typhus Fever (Murine)</h2>
<p align="left">The term typhus fever refers to three different diseases: epidemic, scrub, 
and murine typhus. Epidemic typhus fever is caused by <i>Rickettsia prowazekii</i> 
and is transmitted human to human by the human body louse, <i>Pediculus humanus 
corporis</i>. Scrub typhus, which occurs in SE Asia, is caused by <i>Rickettsia 
tsutsugamushi</i> and is transmitted to humans by certain mites who also serve 
as the reservoir. <i>Murine typhus</i> occurs in Indiana and is caused by <i>
Rickettsia typhi</i>. </p>
<p align="left">Traditionally, <i>murine typhus</i> has been transmitted from the natural 
reservoir, rats, by the rat flea. Fleas from other animals such as opossums and 
cats may also be involved in the transmission of typhus. Prior to eliminating 
and controlling rats in the United States, <i>murine typhus</i> was frequently 
reported. Now less than 100 typhus cases are reported per year. </p>
<p align="left">There were no reported cases of typhus in Indiana in 2002 and only two cases 
reported during the five-year period 1998-2002. </p>
<p align="left">You can learn more about typhus by visiting the following Web site: <br>
http://www2.ncid.cdc.gov/travel/yb/utils/ybGet.asp?section=dis&amp;obj=rickettsial.htm</p>
<p>&nbsp; </p>
<p align="left"><font face="Arial"><b>Back to <a href="idtoc.htm">Table of Contents</a></b></font></p>
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