Tickpedia
Pathogen · taxon

Anaplasma phagocytophilum

Intracellular bacterium that causes anaplasmosis (formerly human granulocytic ehrlichiosis); carried by Ixodes scapularis and I. pacificus.

Detected · 168 countiesCarried by 2 ticksCauses 1 disease

Where it's been detected

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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

Ticks that carry it

2 known
TickScientific nameOne-liner
Blacklegged tickIxodes scapularisThe black-legged tick is the primary US vector of Lyme disease, established across the Northeast, Upper Midwest, and Mid-Atlantic.
Western blacklegged tickIxodes pacificusThe western black-legged tick carries Lyme disease and anaplasmosis along the Pacific Coast from California to British Columbia.

Diseases it causes

1 known
DiseaseOne-liner
AnaplasmosisAnaplasmosis is a bacterial infection (Anaplasma phagocytophilum) spread by black-legged ticks across the Northeast, Upper Midwest, and Pacific Coast.

Risk maps

H3 hexagon heatmap · per disease