TABLE 7

Ehrlichia muris-like agent infection

Tick vector: Ixodes scapularis (most likely)
Geographic distribution: Limited to Wisconsin and Minnesota
Classic presentation: Similar to human granulocytic anaplasmosis and human monocytic erhlichiosis; laboratory abnormalities may no longer be present after 1 week of symptoms
Diagnosis: Polymerase chain reaction assay
Treatment: Doxycycline, typically for 7–14 days