|
||||||||
|
|
|
|
|||||||||||||||||||||||||||||||
An illness most commonly characterized by acute onset and fever, usually accompanied by myalgia, headache, and petechial rash (on the palms and soles in two-thirds of the cases)
Probable: a clinically compatible case with supportive serology (fourfold rise in titer or a single titer greater than or equal to 320 by Proteus OX-19 or OX-2, or a single titer greater than or equal to 128 by LA, IHA, or MA test)
Confirmed: a case that is laboratory confirmed
Privacy Policy | Accessibility CDC Home | Search | Health Topics A-Z This page last updated January 9, 2008 United States
Department of Health and Human Services "Epi Info" is a trademark of the Centers for Disease Control and Prevention (CDC). |