Tickpedia
County-level presence

Where Anaplasma phagocytophilum has been detected

Counties with at least one positive surveillance report for Anaplasma phagocytophilum, aggregated to a state-level choropleth. Click any state to open its page.

Where it's been detected

pathogenCounty · status=present
Alaska — no detections on recordAKMaine — 14 countiesMEVermont — 12 countiesVTNew Hampshire — 10 countiesNHWashington — no detections on recordWAIdaho — no detections on recordIDMontana — no detections on recordMTNorth Dakota — no detections on recordNDMinnesota — 18 countiesMNWisconsin — 24 countiesWIMichigan — 7 countiesMINew York — 51 countiesNYMassachusetts — 3 countiesMAOregon — no detections on recordORNevada — no detections on recordNVWyoming — no detections on recordWYSouth Dakota — no detections on recordSDIowa — no detections on recordIAIllinois — 3 countiesILIndiana — 7 countiesINOhio — 5 countiesOHPennsylvania — no detections on recordPANew Jersey — no detections on recordNJConnecticut — no detections on recordCTCalifornia — no detections on recordCAUtah — no detections on recordUTColorado — no detections on recordCONebraska — no detections on recordNEMissouri — no detections on recordMOKentucky — no detections on recordKYWest Virginia — 1 countyWVVirginia — 9 countiesVAMaryland — 2 countiesMDDelaware — 1 countyDERhode Island — no detections on recordRIArizona — no detections on recordAZNew Mexico — no detections on recordNMKansas — no detections on recordKSArkansas — no detections on recordARTennessee — no detections on recordTNNorth Carolina — 1 countyNCSouth Carolina — no detections on recordSCDistrict of Columbia — no detections on recordDCHawaii — no detections on recordHIOklahoma — no detections on recordOKLouisiana — no detections on recordLAMississippi — no detections on recordMSAlabama — no detections on recordALGeorgia — no detections on recordGATexas — no detections on recordTXFlorida — no detections on recordFLCOUNTIES · PER STATE
none
most counties

Detected in 168 counties across 16 states.

Top 8 states
#NameCounties
1New York51
2Wisconsin24
3Minnesota18
4Maine14
5Vermont12
6New Hampshire10
7Virginia9
8Indiana7

Spread over time

cumulative counties detected
16812684420202320242025CUMULATIVE COUNTIES · PER YEAR