Tickpedia
Pathogen · taxon

Borrelia miyamotoi

Relapsing-fever spirochete carried by Ixodes ticks; causes hard-tick relapsing fever (HTRF) — fever, headache, myalgia without the Lyme bullseye rash.

Detected · 398 countiesCarried by 1 tickCauses 1 disease

Where it's been detected

Open full breakdown →
Alaska — no detections on recordAKMaine — 14 countiesMEVermont — 9 countiesVTNew Hampshire — 6 countiesNHWashington — 3 countiesWAIdaho — no detections on recordIDMontana — no detections on recordMTNorth Dakota — no detections on recordNDMinnesota — 14 countiesMNWisconsin — 28 countiesWIMichigan — 13 countiesMINew York — 54 countiesNYMassachusetts — 4 countiesMAOregon — 2 countiesORNevada — no detections on recordNVWyoming — no detections on recordWYSouth Dakota — no detections on recordSDIowa — 1 countyIAIllinois — 26 countiesILIndiana — 48 countiesINOhio — 11 countiesOHPennsylvania — 61 countiesPANew Jersey — 20 countiesNJConnecticut — 8 countiesCTCalifornia — 31 countiesCAUtah — no detections on recordUTColorado — no detections on recordCONebraska — 1 countyNEMissouri — no detections on recordMOKentucky — 2 countiesKYWest Virginia — 3 countiesWVVirginia — 22 countiesVAMaryland — 7 countiesMDDelaware — 2 countiesDERhode Island — 1 countyRIArizona — no detections on recordAZNew Mexico — no detections on recordNMKansas — no detections on recordKSArkansas — no detections on recordARTennessee — 1 countyTNNorth Carolina — 5 countiesNCSouth Carolina — no detections on recordSCDistrict of Columbia — 1 countyDCHawaii — 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 398 counties across 28 states.

Top 8 states
#NameCounties
1Pennsylvania61
2New York54
3Indiana48
4California31
5Wisconsin28
6Illinois26
7Virginia22
8New Jersey20

Ticks that carry it

1 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.

Diseases it causes

1 known
DiseaseOne-liner
Borrelia miyamotoi diseaseBorrelia miyamotoi disease is a hard-tick relapsing fever spread by black-legged ticks, related to but distinct from Lyme disease.

Risk maps

H3 hexagon heatmap · per disease