Louisiana Department of Wildlife and Fisheries

Anaplasma phagocytophilum Variant 1 from White-Tailed Deer (Odocoileus virginianus) in Feeding Ixodes scapularis Larvae

Anaplasma phagocytophilum is a tick-borne bacterium and the causative agent of human granulocytic anaplasmosis. Two major variants have been identified in North America: a human pathogenic variant (Ap-ha) that is maintained by small mammals and a nonpathogenic variant (Ap-v1) tha...