Statistics
Average annual incidence of anaplasmosis (caused by Anaplasma phagocytophilum) by state, as reported to CDC, 2001--2002
![Average annual incidence of anaplasmosis](https://webarchive.library.unt.edu/eot2008/20090506210003im_/http://www.cdc.gov/ticks/images/anaplasmosis_incidence.gif)
Number of Anaplasmosis cases reported to CDC by state health departments, 1999-2006.
![Number of Anaplasmosis cases reported to CDC by state health departments, 1999-2006](https://webarchive.library.unt.edu/eot2008/20090506210003im_/http://www.cdc.gov/ticks/images/anaplasmosis_cases.gif)
(Source: CDC National Electronic Telecommunications System for Surveillance (NETSS) data)
Age-specific incidence of anaplasmosis, reported to CDC through NETSS, 2001-2002.
Incidence of anaplasmosis increases with age, with the highest incidence reported among persons aged 60+ years.
![Incidence of anaplasmosis increases with age, with the highest incidence reported among persons aged 60+ years.](https://webarchive.library.unt.edu/eot2008/20090506210003im_/http://www.cdc.gov/ticks/images/anaplasmosis_ages.gif)
- Page last reviewed: April 1, 2008
- Page last updated: October 17, 2008
- Content source: Division of Viral and Rickettsial Diseases, National Center for Zoonotic, Vector-Borne, and Enteric Diseases
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