Quick Facts:
Causative Agent: A. phagocytophilum
Primary Vector: Blacklegged (deer) tick
Symptoms: Fever, headache, chills, and muscle aches
Anaplasmosis is the second most common illness spread by ticks in Wisconsin, after Lyme disease.
Human Anaplasmosis is caused by a strain of Anaplasma phagocytophilum (a bacteria) that is transmitted by deer ticks.
Signs and symptoms of anaplasmosis typically begin within 1–2 weeks after the bite of an infected tick.
See the Wisconsin DHS webpage or the CDC webpage for more information.
References
P. Katavalos, P. M. Armstrong, J. E. Dawson, S. R. Telford III, Duration of Tick Attachment Required for Transmission of Granulocytic Ehrlichiosis, Journal of Infectious Diseases, Volume 177, Issue 5, May 1998, Pages 1422-1425, https://doi.org/10.1086/517829