Medical Definition of murine typhus
: a mild febrile disease that is marked by headache and rash, is caused by a bacterium of the genus Rickettsia (R. typhi), is widespread in nature in rodents, and is transmitted to humans by a flea—called also endemic typhus
Seen and Heard
What made you want to look up murine typhus? Please tell us where you read or heard it (including the quote, if possible).