Michael J Yabsley


Affiliation: University of Georgia
Country: USA


  1. Yabsley M, Ellis A, Cleveland C, Ruckdeschel C. High Prevalence of Porocephalus crotali Infection on a Barrier Island (Cumberland Island) off the Coast of Georgia, with Identification of Novel Intermediate Hosts. J Parasitol. 2015;101:603-7 pubmed publisher
    ..Although generally not considered pathogenic, the long-term consequences of high nymph intensities on individuals deserve attention. ..
  2. Cleveland C, Eberhard M, Thompson A, Garrett K, Swanepoel L, Zirimwabagabo H, et al. A search for tiny dragons (Dracunculus medinensis third-stage larvae) in aquatic animals in Chad, Africa. Sci Rep. 2019;9:375 pubmed publisher
    ..g., ingestion of fish intestines that were recently shown to be a risk). Significantly, 150 years after the life cycle of D. medinensis was described, our data highlights important gaps in the knowledge of GW ecology. ..
  3. request reprint
    Yabsley M, McKibben J, Macpherson C, Cattan P, Cherry N, Hegarty B, et al. Prevalence of Ehrlichia canis, Anaplasma platys, Babesia canis vogeli, Hepatozoon canis, Bartonella vinsonii berkhoffii, and Rickettsia spp. in dogs from Grenada. Vet Parasitol. 2008;151:279-85 pubmed
    ..One pathogen, E. canis, is also of potential public health significance. ..
  4. request reprint
    Yabsley M, Loftis A, Little S. Natural and experimental infection of white-tailed deer (Odocoileus virginianus) from the United States with an Ehrlichia sp. closely related to Ehrlichia ruminantium. J Wildl Dis. 2008;44:381-7 pubmed
    ..These findings indicate that white-tailed deer are naturally and experimentally susceptible to infection with an Ehrlichia sp. closely related to E. ruminantium and are able to serve as a source of infection to LSTs. ..
  5. Lockwood B, Stasiak I, Pfaff M, Cleveland C, Yabsley M. Widespread distribution of ticks and selected tick-borne pathogens in Kentucky (USA). Ticks Tick Borne Dis. 2018;9:738-741 pubmed publisher
    ..Prevalence of Borrelia burgdorferi sensu stricto and Rickettsia parkeri were 11% and 3%, respectively. These data indicate that public health measures are important to prevent tick-borne diseases in Kentucky. ..
  6. Yabsley M, Adams D, O Connor T, Chandrashekar R, Little S. Experimental primary and secondary infections of domestic dogs with Ehrlichia ewingii. Vet Microbiol. 2011;150:315-21 pubmed publisher
    ..This study provides data on the infection dynamics of E. ewingii in dogs during primary and challenge infections and suggests that prior exposure may lessen clinical disease during subsequent infections. ..
  7. Yabsley M, Vanstreels R, Martinsen E, Wickson A, Holland A, Hernandez S, et al. Parasitaemia data and molecular characterization of Haemoproteus catharti from New World vultures (Cathartidae) reveals a novel clade of Haemosporida. Malar J. 2018;17:12 pubmed publisher
  8. Liu Y, Lund R, Nordone S, Yabsley M, McMahan C. A Bayesian spatio-temporal model for forecasting the prevalence of antibodies to Ehrlichia species in domestic dogs within the contiguous United States. Parasit Vectors. 2017;10:138 pubmed publisher
    ..Moreover, this forecast could potentially serve as a surveillance tool for human health and prove useful for forecasting other vector-borne diseases. ..
  9. Gleim E, Garrison L, Vello M, Savage M, Lopez G, Berghaus R, et al. Factors associated with tick bites and pathogen prevalence in ticks parasitizing humans in Georgia, USA. Parasit Vectors. 2016;9:125 pubmed publisher
    ..The study also provided data on pathogen prevalence, and epidemiologic factors associated with tick bites, as well as tick presence by county in Georgia. ..

More Information


  1. Yabsley M, Keeler S, Gibbs S, McGraw S, Hernandez S. New species of Isospora from the blue-crowned motmot (Momotus momota) from Costa Rica. J Parasitol. 2009;95:1189-91 pubmed publisher
    ..This is the first report of coccidia from a motmot (Momotidae) and only the third Ispospora species described from the Coraciiformes. ..
  2. Yabsley M, Murphy S, Luttrell M, Little S, Massung R, Stallknecht D, et al. Experimental and field studies on the suitability of raccoons (Procyon lotor) as hosts for tick-borne pathogens. Vector Borne Zoonotic Dis. 2008;8:491-503 pubmed publisher
    ..ewingii, or B. lonestari. However, raccoons are experimentally susceptible and naturally exposed to E. chaffeensis, and these data support the previous finding that raccoons may be involved in the natural history of A. phagocytophilum...
  3. Yabsley M. Natural history of Ehrlichia chaffeensis: vertebrate hosts and tick vectors from the United States and evidence for endemic transmission in other countries. Vet Parasitol. 2010;167:136-48 pubmed publisher
    ..chaffeensis infections will likely continue to expand. Recent data have indicated that E. chaffeensis, or a closely related organism, has been found in many species of ticks and vertebrate hosts in numerous countries. ..
  4. Yabsley M, Greiner E, Tseng F, Garner M, Nordhausen R, Ziccardi M, et al. Description of novel Babesia species and associated lesions from common murres (Uria aalge) from California. J Parasitol. 2009;95:1183-8 pubmed publisher
    ..Phylogenetic analysis of near-full length 18S rRNA, ITS-1, 5.8S rRNA, and ITS-2 sequences indicated that the Babesia sp. from the common murre is closely related to Babesia poelea, a parasite of brown boobies (Sula leucogaster)...
  5. Cleveland C, Denicola A, Dubey J, Hill D, Berghaus R, Yabsley M. Survey for selected pathogens in wild pigs (Sus scrofa) from Guam, Marianna Islands, USA. Vet Microbiol. 2017;205:22-25 pubmed publisher
    ..These findings highlight that domestic swine-wild pig interactions should be prevented and precautions are needed when handling wild pigs to minimize the risk of pathogen transmission. ..
  6. request reprint
    Yabsley M, Davidson W, Stallknecht D, Varela A, Swift P, deVos J, et al. Evidence of tick-borne organisms in mule deer (Odocoileus hemionus) from the western United States. Vector Borne Zoonotic Dis. 2005;5:351-62 pubmed
    ..Together, these data suggest that MD in northern Arizona and eastern California are exposed to several pathogens of human and veterinary importance. ..
  7. Yabsley M, Brown E, Roellig D. Evaluation of the Chagas Stat-Pak assay for detection of Trypanosoma cruzi antibodies in wildlife reservoirs. J Parasitol. 2009;95:775-7 pubmed publisher
    ..Because this assay did not work on either species of marsupial, the applicability of the assay should be examined before it is used in other wild species...
  8. Yabsley M, Ellis A, Stallknecht D, Howerth E. Characterization of Sarcocystis from four species of hawks from Georgia, USA. J Parasitol. 2009;95:256-9 pubmed publisher
    ..In addition to assisting with determining species richness of Sarcocystis in raptors, molecular analysis should be useful in the identification of potential intermediate hosts...
  9. Yabsley M, Murphy S, Luttrell M, Wilcox B, Ruckdeschel C. Raccoons (Procyon lotor), but not rodents, are natural and experimental hosts for an ehrlichial organism related to "Candidatus Neoehrlichia mikurensis". Vet Microbiol. 2008;131:301-8 pubmed publisher
    ..Based on the molecular and natural history uniqueness of this organism from raccoons, we propose that this represents a novel species in the "Candidatus Neoehrlichia" group of ehrlichial organisms...
  10. request reprint
    Yabsley M, Jordan C, Mitchell S, Norton T, Lindsay D. Seroprevalence of Toxoplasma gondii, Sarcocystis neurona, and Encephalitozoon cuniculi in three species of lemurs from St. Catherines Island, GA, USA. Vet Parasitol. 2007;144:28-32 pubmed
    ..gondii, S. neurona, and E. cuniculi. This is the first detection of antibodies to T. gondii in ring-tailed lemurs and antibodies to S. neurona and E. cuniculi in any species of prosimian...
  11. request reprint
    Yabsley M, Murphy S, Cunningham M. Molecular detection and characterization of Cytauxzoon felis and a Babesia species in cougars from Florida. J Wildl Dis. 2006;42:366-74 pubmed
    ..and that some individuals are infected with both organisms. The infectivity and pathogenicity of this Babesia sp. for domestic cats is unknown. This represents the first report of a feline Babesia sp. in North America...
  12. Yabsley M, Murphy S, Luttrell M, Wilcox B, Howerth E, Munderloh U. Characterization of 'Candidatus Neoehrlichia lotoris' (family Anaplasmataceae) from raccoons (Procyon lotor). Int J Syst Evol Microbiol. 2008;58:2794-8 pubmed publisher