Maine CDC Health Advisory

November 23, 2021

Tickborne Illness Risk Remains High Amid Record Numbers of Reported Anaplasmosis and Babesiosis Cases

Maine CDC would like to alert clinicians that the tick season in Maine continues to be very active this year, posing increased risk of tickborne disease. Maine CDC reported record numbers of anaplasmosis and babesiosis cases, surpassing the record number of cases reported in 2019. As of November 23, 2021, Maine reported 1,276 cases of Lyme disease, 748 cases of anaplasmosis, 184 cases of babesiosis, eight cases of Borrelia miyamotoi, and three cases of Powassan encephalitis.

Advisory (PDF)