anaplasmosis

noun

an·​a·​plas·​mo·​sis ˌa-nə-ˌplaz-ˈmō-səs 

plural anaplasmoses ˌa-nə-ˌplaz-ˈmō-ˌsēz 

: infection with or a bacterial disease caused by an anaplasma: such as

a

: a disease of humans that is typically marked by fever, headache, chills, muscle aches, and fatigue and is caused by an anaplasma (Anaplasma phagocytophilum synonym Ehrlichia phagocytophila) which infects granulocytes compare ehrlichiosis

b

: a disease of cattle that is typically marked by anemia, fever, jaundice, weight loss, and death especially in adult animals and is caused by an anaplasma (Anaplasma marginale) which infects and destroys red blood cells

Examples of anaplasmosis in a Sentence

Recent Examples on the Web

Researchers have documented a rise in pathogens linked to Lyme disease, babesiosis, and anaplasmosis. — Gabby Sartori, USA Today, 5 June 2026

Bites can cause Lyme disease, anaplasmosis, babesiosis, Powassan virus. — Sophie Lindberg, Kansas City Star, 8 June 2026

So far this year, Connecticut scientists have said a high number of ticks have tested positive for Lyme disease, anaplasmosis and babesiosis. — Stephen Underwood, Hartford Courant, 27 Apr. 2026

Symptoms of anaplasmosis usually develop within 1-2 weeks after being bitten by an infected tick. — Jack Armstrong, Memphis Commercial Appeal, 4 May 2026

Word History

Etymology

anaplasma + -osis

First Known Use

1910, in the meaning defined above

Phrases Containing anaplasmosis

• human granulocytic anaplasmosis

Rhymes for anaplasmosis

• amyloidosis
• anastomosis
• aponeurosis
• apotheosis
• aspergillosis
• blastomycosis
• coccidiosis
• cryptococcosis
• cysticercosis
• endocytosis
• exocytosis
• furunculosis

Medical Definition

anaplasmosis

noun

an·​a·​plas·​mo·​sis -ˌplaz-ˈmō-səs 

plural anaplasmoses -ˌsēz 

: infection with or a disease caused by bacteria of the genus Anaplasma affecting both humans and animals (such as dogs, horses, and cattle): such as

a

: a disease of humans that is typically marked by fever, headache, chills, muscle aches, and fatigue and is caused by a bacterium (A. phagocytophilum synonym Ehrlichia phagocytophila) infecting granulocytes

called also ehrlichiosis, human granulocytic anaplasmosis, human granulocytic ehrlichiosis

b

: a disease of cattle that is typically marked by anemia, fever, jaundice, weight loss, and death especially in adult animals and is caused by a bacterium (A. marginale) which infects and destroys red blood cells

called also gall sickness, galziekte