Humans Infected with Relapsing Fever SpirocheteBorrelia miyamotoi, Russia

• DOI: 10.3201/eid1710.101474
• Publication Date: 2011-09-15T21:16:05Z
• Authors: Alexander E. Plat...; Ludmila S. Karan; Nadezhda M. Kolya...; Natalya A. Makhneva; Marina G. Toporkova; Victor V. Maleev; Durland Fish; Peter J. Krause
• Keywords: relapsing fever; Ixodes persulcatus; Ixodes scapularis; Tick-borne disease; Erythema chronicum migrans

Borrelia miyamotoi is distantly related to B. burgdorferi and transmitted by the same hard-body tick species. We report 46 cases of infection in humans compare frequency clinical manifestations this with those caused garinii infection. All patients lived Russia had influenza-like illness fever as high 39.5°C; relapsing febrile occurred 5 (11%) erythema migrans 4 (9%). In Russia, rate Ixodes persulcatus ticks was 1%-16%, similar rates I. ricinus western Europe scapularis United States. may cause Lyme disease-like symptoms throughout Holarctic region world because widespread prevalence pathogen its ixodid vectors.