Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Ehrlichiosis MeSH Descriptor Data 2026


MeSH Heading
Ehrlichiosis
Tree Number(s)
C01.150.252.400.054.750
C01.920.930.300
Unique ID
D016873
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D016873
Scope Note
A tick-borne disease characterized by FEVER; HEADACHE; myalgias; ANOREXIA; and occasionally RASH. It is caused by several bacterial species and can produce disease in DOGS; CATTLE; SHEEP; GOATS; HORSES; and humans. The primary species causing human disease are EHRLICHIA CHAFFEENSIS; ANAPLASMA PHAGOCYTOPHILUM; and Ehrlichia ewingii.
Entry Term(s)
E chaffeensis Infection
E ewingii Infection
E. chaffeensis Infection
E. ewingii Infection
Ehrlichia Infection
Ehrlichia chaffeensis Infection
Ehrlichia ewingii Infection
Human Ehrlichiosis
Previous Indexing
Ehrlichia (1975-1991)
Rickettsiaceae Infections (1975-1991)
Public MeSH Note
92
History Note
92
Date Introduced
1992/01/01
Last Updated
2022/07/14
Ehrlichiosis Preferred
Ehrlichia ewingii Infection Narrower
Human Ehrlichiosis Narrower
Ehrlichia chaffeensis Infection Narrower
page delivered in 0.147s