Tickpedia
Tick-borne illness

Ehrlichia ewingii ehrlichiosis

Ehrlichia ewingii ehrlichiosis is a bacterial infection spread by lone star ticks, typically affecting immunocompromised patients in the southeastern US.

Cases · 212Carried by 1 tickView risk map →
Continental risk map
Where Ehrlichia ewingii ehrlichiosis hits hardest
H3 hexagon heatmap of 212 reported cases across 51 states.
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State-by-state cases

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Alaska — no CDC-reported casesAKMaine — no CDC-reported casesMEVermont — no CDC-reported casesVTNew Hampshire — 1 caseNHWashington — no CDC-reported casesWAIdaho — no CDC-reported casesIDMontana — no CDC-reported casesMTNorth Dakota — 2 casesNDMinnesota — no CDC-reported casesMNWisconsin — 6 casesWIMichigan — no CDC-reported casesMINew York — 7 casesNYMassachusetts — no CDC-reported casesMAOregon — no CDC-reported casesORNevada — no CDC-reported casesNVWyoming — no CDC-reported casesWYSouth Dakota — no CDC-reported casesSDIowa — 1 caseIAIllinois — 5 casesILIndiana — 4 casesINOhio — 1 caseOHPennsylvania — no CDC-reported casesPANew Jersey — 5 casesNJConnecticut — no CDC-reported casesCTCalifornia — no CDC-reported casesCAUtah — no CDC-reported casesUTColorado — no CDC-reported casesCONebraska — 1 caseNEMissouri — 105 casesMOKentucky — 5 casesKYWest Virginia — no CDC-reported casesWVVirginia — 3 casesVAMaryland — 6 casesMDDelaware — 2 casesDERhode Island — no CDC-reported casesRIArizona — no CDC-reported casesAZNew Mexico — no CDC-reported casesNMKansas — 5 casesKSArkansas — 33 casesARTennessee — 7 casesTNNorth Carolina — no CDC-reported casesNCSouth Carolina — no CDC-reported casesSCDistrict of Columbia — no CDC-reported casesDCHawaii — no CDC-reported casesHIOklahoma — 5 casesOKLouisiana — no CDC-reported casesLAMississippi — no CDC-reported casesMSAlabama — 2 casesALGeorgia — no CDC-reported casesGATexas — no CDC-reported casesTXFlorida — 6 casesFLCASES · PER STATE
none
most cases

212 reported cases across 51 states.

Top 8 states
#NameCases
1Missouri105
2Arkansas33
3New York7
4Tennessee7
5Florida6
6Maryland6
7Wisconsin6
8Illinois5

Seasonality

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Monthly breakdown not yet imported for Ehrlichia ewingii ehrlichiosis.

Year-over-year

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119896030020192022REPORTED CASES · PER YEAR

Ticks that carry it

1 known
TickScientific nameOne-liner
Lone star tickAmblyomma americanumThe lone star tick spreads ehrlichiosis, STARI, and the bite-acquired alpha-gal red-meat allergy across the Southeast and lower Midwest.

Pathogens that cause it

0 known

Pathogen association not yet seeded for Ehrlichia ewingii ehrlichiosis.

Wild facts

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