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Sarah A Hamer

Associate Professor

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Phone: (979) 847-5693

Mailstop: 4458

Department: VIBS

Photo of Hamer, Sarah

Education

  • D.V.M. Veterinary Medicine, Michigan State University 2011
  • Ph.D. Fisheries & Wildlife and Ecology, Michigan State University 2010
  • M.S. Natural Resources and Environmental Sciences, University of Illinois 2003
  • B.S. Natural Resources and Environmental Sciences, University of Illinois 2001

Credentials

  • Diplomate of the American College of Veterinary Preventive Medicine
  • Texas Veterinary Medical License: 13640
  • Associate Wildlife Biologist®, Certification of The Wildlife Society

Scholarly Interests

Disease ecology and epidemiology; one health initiative; wildlife diseases; avian health; vector-borne diseases; ticks; Lyme disease and other tick-borne zoonoses; Chagas disease; conservation medicine

Publications

Survey of gross and histopathologic findings in two wintering subpopulations of sandhill cranes (Antigone canadensis)
Hensel M, Bertram M, Rech R, Hamer GL, Hamer SA.
J Wildl Dis. 2017 (in press).
Trypanosoma cruzi (Agent of Chagas Disease) in Sympatric Human and Dog Populations in "Colonias" of the Lower Rio Grande Valley of Texas.
Rachel Curtis-Robles, Italo B Zecca, Valery Roman-Cruz, Ester S Carbajal, Lisa D Auckland, Isidore Flores, Ann V Millard, Sarah A Hamer
The American journal of tropical medicine and hygiene. 2017
Epidemiology and Molecular Typing of Trypanosoma cruzi in Naturally-Infected Hound Dogs and Associated Triatomine Vectors in Texas, USA.
Rachel Curtis-Robles, Karen F Snowden, Brandon Dominguez, Lewis Dinges, Sandy Rodgers, Glennon Mays, Sarah A Hamer
PLoS neglected tropical diseases. 2017 11(1):e0005298.
Toward an Ecological Framework for Assessing Reservoirs of Vector-Borne Pathogens: Wildlife Reservoirs of Trypanosoma cruzi across the Southern United States
Hodo, Carolyn L, Hamer, Sarah A
ILAR Journal. 2017 :1-14.
Lack of Trypanosoma cruzi Infection in Urban Roof Rats (Rattus rattus) at a Texas Facility Housing Naturally Infected Nonhuman Primates
Hodo, Carolyn L, Bertolini, Nicole R, Bernal, John C, VandeBerg, John L, Hamer, Sarah A
Journal of the American Association for Laboratory Animal Science. 2017 56(1):57-62.
Temperate and tropical lineages of brown dog ticks in North America
Jones, Ellen O, Gruntmeir, Jeff M, Hamer, Sarah A, Little, Susan E
Veterinary Parasitology: Regional Studies and Reports. 2017 7:58-61.
Faecal Campylobacter shedding among dogs in animal shelters across Texas
Leahy, AM, Cummings, KJ, Rodriguez‐Rivera, LD, Hamer, SA, Lawhon, SD
Zoonoses and Public Health. 2017
A novel Haemosporida clade at the rank of genus in North American cranes (Aves: Gruiformes).
Miranda R Bertram, Sarah A Hamer, Barry K Hartup, Karen F Snowden, Matthew C Medeiros, Diana C Outlaw, Gabriel L Hamer
Molecular phylogenetics and evolution. 2016 109:73-79.
Haemosporida prevalence and diversity are similar in endangered wild whooping cranes (Grus americana) and sympatric sandhill cranes (Grus canadensis).
Miranda R Bertram, Gabriel L Hamer, Barry K Hartup, Karen F Snowden, Matthew C Medeiros, Sarah A Hamer
Parasitology. 2016 :1-12.
Salmonella Surveillance Among Great-Tailed Grackles (Quiscalus mexicanus) and Other Urban Bird Species in Eastern Texas.
Mary K Grigar, Kevin J Cummings, Lorraine D Rodriguez-Rivera, Shelley C Rankin, Krista Johns, Gabriel L Hamer, Sarah A Hamer
Vector borne and zoonotic diseases (Larchmont, N.Y.). 2016 16(12):752-757.
Trypanosome species, including Trypanosoma cruzi, in sylvatic and peridomestic bats of Texas, USA.
Carolyn L Hodo, Chloe C Goodwin, Bonny C Mayes, Jacqueline A Mariscal, Kenneth A Waldrup, Sarah A Hamer
Acta tropica. 2016 164:259-266.
A quantitative synthesis of the role of birds in carrying ticks and tick-borne pathogens in North America.
Scott R Loss, Bruce H Noden, Gabriel L Hamer, Sarah A Hamer
Oecologia. 2016 182(4):947-959.
Decreased small mammal and on-host tick abundance in association with invasive red imported fire ants (Solenopsis invicta).
Adrian A Castellanos, Matthew C I Medeiros, Gabriel L Hamer, Michael E Morrow, Micky D Eubanks, Pete D Teel, Sarah A Hamer, Jessica E Light
Biology letters. 2016 12(9).
Diagnostic Features of Acute Chagas Myocarditis with Sudden Death in a Family of Boxer Dogs.
J P Vitt, A B Saunders, M T O'Brien, J Mansell, D K Ajithdoss, S A Hamer
Journal of veterinary internal medicine. 2016 30(4):1210-5.
Survey of Feral Swine ( Sus scrofa ) Infection with the Agent of Chagas Disease ( Trypanosoma cruzi ) in Texas, 2013-14.
Juliette M Comeaux, Rachel Curtis-Robles, Barbara C Lewis, Kevin J Cummings, Brian T Mesenbrink, Bruce R Leland, Michael J Bodenchuk, Sarah A Hamer
Journal of wildlife diseases. 2016 52(3):627-30.
High Trypanosoma cruzi infection prevalence associated with minimal cardiac pathology among wild carnivores in central Texas.
Rachel Curtis-Robles, Barbara C Lewis, Sarah A Hamer
International journal for parasitology. Parasites and wildlife. 2016 5(2):117-23.
Histopathologic and Molecular Characterization of Sarcocystis calchasi Encephalitis in White-winged Doves ( Zenaida asiatica ) and Eurasian Collared Doves ( Streptopelia decaocto ), East-central Texas, USA, 2010-13.
Carolyn L Hodo, Derick B Whitley, Sarah A Hamer, Wayne V Corapi, Karen Snowden, J Jill Heatley, Aline Rodrigues Hoffmann
Journal of wildlife diseases. 2016 52(2):395-9.
Erratum for Stromdahl et al., Borrelia burgdorferi Not Confirmed in Human-Biting Amblyomma americanum Ticks from the Southeastern United States.
Ellen Y Stromdahl, Robyn M Nadolny, Jennifer A Gibbons, Lisa D Auckland, Mary A Vince, Chad E Elkins, Michael P Murphy, Graham J Hickling, Mark W Eshoo, Heather E Carolan, Chris D Crowder, Mark A Pilgard, Sarah A Hamer
Journal of clinical microbiology. 2016 54(5):1406.
Chagas disease in a Texan horse with neurologic deficits.
Laura K Bryan, Sarah A Hamer, Sarah Shaw, Rachel Curtis-Robles, Lisa D Auckland, Carolyn L Hodo, Keith Chaffin, Raquel R Rech
Veterinary parasitology. 2016 216:13-7.
Evaluation of Faecal Salmonella Shedding Among Dogs at Seven Animal Shelters across Texas.
A M Leahy, K J Cummings, L D Rodriguez-Rivera, S C Rankin, S A Hamer
Zoonoses and public health. 2016 63(7):515-521.
Combining Public Health Education and Disease Ecology Research: Using Citizen Science to Assess Chagas Disease Entomological Risk in Texas.
Rachel Curtis-Robles, Edward J Wozniak, Lisa D Auckland, Gabriel L Hamer, Sarah A Hamer
PLoS neglected tropical diseases. 2015 9(12):e0004235.
Simulation of climate-tick-host-landscape interactions: Effects of shifts in the seasonality of host population fluctuations on tick densities.
Hsiao-Hsuan Wang, W E Grant, P D Teel, S A Hamer
Journal of vector ecology : journal of the Society for Vector Ecology. 2015 40(2):247-55.
Avian migrants facilitate invasions of neotropical ticks and tick-borne pathogens into the United States.
Emily B Cohen, Lisa D Auckland, Peter P Marra, Sarah A Hamer
Applied and environmental microbiology. 2015 81(24):8366-78.
Comparison of DNA and Carbon and Nitrogen Stable Isotope-based Techniques for Identification of Prior Vertebrate Hosts of Ticks.
Sarah A Hamer, Alex C Weghorst, Lisa D Auckland, E Brendan Roark, Otto F Strey, Pete D Teel, Gabriel L Hamer
Journal of medical entomology. 2015 52(5):1043-9.
Coccidian Parasites and Conservation Implications for the Endangered Whooping Crane (Grus americana).
Miranda R Bertram, Gabriel L Hamer, Karen F Snowden, Barry K Hartup, Sarah A Hamer
PloS one. 2015 10(6):e0127679.
Survey of a rodent and tick community in east-central Texas.
Rodriguez J, Hamer S, Castellanos A, Light J
Southeastern Naturalist . 2015
Borrelia burgdorferi not confirmed in human-biting Amblyomma americanum ticks from the southeastern United States.
Ellen Y Stromdahl, Robyn M Nadolny, Jennifer A Gibbons, Lisa D Auckland, Mary A Vince, Chad E Elkins, Michael P Murphy, Graham J Hickling, Mark W Eshoo, Heather E Carolan, Chris D Crowder, Mark A Pilgard, Sarah A Hamer
Journal of clinical microbiology. 2015 53(5):1697-704.
Comparison of phenology and pathogen prevalence, including infection with the Ehrlichia muris-like (EML) agent, of Ixodes scapularis removed from soldiers in the midwestern and the northeastern United States over a 15 year period (1997-2012).
Stromdahl E, Hamer SA, Jenkins S, Sloan L, Williamson P, Foster E, Nadolny R, Elkins C, Vince M, Pritt B
BioMed Central Parasites & Vectors. 2014
Increased diversity of zoonotic pathogens and Borrelia burgdorferi strains in established versus incipient Ixodes scapularis populations across the Midwestern United States.
Sarah A Hamer, Graham J Hickling, Edward D Walker, Jean I Tsao
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases. 2014 27:531-42.
Shelter dogs as sentinels for Trypanosoma cruzi transmission across Texas.
Trevor D Tenney, Rachel Curtis-Robles, Karen F Snowden, Sarah A Hamer
Emerging infectious diseases. 2014 20(8):1323-6.
Coincident tick infestations in the nostrils of wild chimpanzees and a human in Uganda.
Sarah A Hamer, Andrew B Bernard, Ronan M Donovan, Jessica A Hartel, Richard W Wrangham, Emily Otali, Tony L Goldberg
The American journal of tropical medicine and hygiene. 2013 89(5):924-7.
Pathology in practice. Infectious laryngotracheitis in laying chickens.
Sarah A Hamer, Chidozie J Amuzie, Kurt J Williams, Rebecca C Smedley
Journal of the American Veterinary Medical Association. 2013 242(4):477-9.
Borrelia burgdorferi not detected in widespread Ixodes scapularis (Acari: Ixodidae) collected from white-tailed deer in Tennessee.
M E Rosen, S A Hamer, R R Gerhardt, C J Jones, L I Muller, M C Scott, G J Hickling
Journal of medical entomology. 2012 49(6):1473-80.
Associations of passerine birds, rabbits, and ticks with Borrelia miyamotoi and Borrelia andersonii in Michigan, U.S.A.
Sarah A Hamer, Graham J Hickling, Rich Keith, Jennifer L Sidge, Edward D Walker, Jean I Tsao
Parasites & vectors. 2012 5:231.
Wild birds and urban ecology of ticks and tick-borne pathogens, Chicago, Illinois, USA, 2005-2010.
Sarah A Hamer, Tony L Goldberg, Uriel D Kitron, Jeffrey D Brawn, Tavis K Anderson, Scott R Loss, Edward D Walker, Gabriel L Hamer
Emerging infectious diseases. 2012 18(10):1589-95.
Two boundaries separate Borrelia burgdorferi populations in North America.
Gabriele Margos, Jean I Tsao, Santiago Castillo-Ramírez, Yvette A Girard, Sarah A Hamer, Anne Gatewood Hoen, Robert S Lane, Steve L Raper, Nicholas H Ogden
Applied and environmental microbiology. 2012 78(17):6059-67.
Wild birds as sentinels for multiple zoonotic pathogens along an urban to rural gradient in greater Chicago, Illinois.
S A Hamer, E Lehrer, S B Magle
Zoonoses and public health. 2012 59(5):355-64.
Synchronous phenology of juvenile Ixodes scapularis, vertebrate host relationships, and associated patterns of Borrelia burgdorferi ribotypes in the midwestern United States.
Sarah A Hamer, Graham J Hickling, Jennifer L Sidge, Edward D Walker, Jean I Tsao
Ticks and tick-borne diseases. 2012 3(2):65-74.
Human risk of infection with Borrelia burgdorferi, the Lyme disease agent, in eastern United States.
Maria A Diuk-Wasser, Anne Gatewood Hoen, Paul Cislo, Robert Brinkerhoff, Sarah A Hamer, Michelle Rowland, Roberto Cortinas, Gwenaël Vourc'h, Forrest Melton, Graham J Hickling, Jean I Tsao, Jonas Bunikis, Alan G Barbour, Uriel Kitron, Joseph Piesman, Durland Fish
The American journal of tropical medicine and hygiene. 2012 86(2):320-7.
Ixodes scapularis and Borrelia burgdorferi among diverse habitats within a natural area in east-central Illinois.
Rydzewski J, Mateus-Pinilla N, Warner RE, Hamer S, Weng HY
Vector Borne Zoonotic Dis. 2011 11(10):1351-8.
Diverse Borrelia burgdorferi strains in a bird-tick cryptic cycle.
Sarah A Hamer, Graham J Hickling, Jennifer L Sidge, Michelle E Rosen, Edward D Walker, Jean I Tsao
Applied and environmental microbiology. 2011 77(6):1999-2007.
High-prevalence Borrelia miyamotoi infection among [corrected] wild turkeys (Meleagris gallopavo) in Tennessee.
M C Scott, M E Rosen, S A Hamer, E Baker, H Edwards, C Crowder, J I Tsao, G J Hickling
Journal of medical entomology. 2010 47(6):1238-42.
Invasion of the lyme disease vector Ixodes scapularis: implications for Borrelia burgdorferi endemicity.
Sarah A Hamer, Jean I Tsao, Edward D Walker, Graham J Hickling
EcoHealth. 2010 7(1):47-63.
Climate and tick seasonality are predictors of Borrelia burgdorferi genotype distribution.
Anne G Gatewood, Kelly A Liebman, Gwenaël Vourc'h, Jonas Bunikis, Sarah A Hamer, Roberto Cortinas, Forrest Melton, Paul Cislo, Uriel Kitron, Jean Tsao, Alan G Barbour, Durland Fish, Maria A Diuk-Wasser
Applied and environmental microbiology. 2009 75(8):2476-83.
Use of tick surveys and serosurveys to evaluate pet dogs as a sentinel species for emerging Lyme disease.
Sarah A Hamer, Jean I Tsao, Edward D Walker, Linda S Mansfield, Erik S Foster, Graham J Hickling
American journal of veterinary research. 2009 70(1):49-56.
Zoonotic pathogens in Ixodes scapularis, Michigan.
Sarah A Hamer, Pamela L Roy, Graham J Hickling, Edward D Walker, Erik S Foster, Christina C Barber, Jean I Tsao
Emerging infectious diseases. 2008 13(7):1131-3.
Does the roosting behavior of birds affect transmission dynamics of West Nile virus?
Ward MP, Raim A, Yaremych-Hamer S, Lampman R, Novak RJ
Am J Trop Med Hyg. 2006 75(2):350-5.
Spatiotemporal patterns of host-seeking Ixodes scapularis nymphs (Acari: Ixodidae) in the United States.
Diuk-Wasser MA, Gatewood AG, Cortinas MR, Yaremych-Hamer S, Tsao J, Kitron U, Hickling G, Brownstein JS, Walker E, Piesman J, Fish D
J Med Entomol. 2006 43(2):166-76.
West Nile virus and high death rate in American crows.
Yaremych SA, Warner RE, Mankin PC, Brawn JD, Raim A, Novak R
Emerg Infect Dis. 2004 10(4):709-11.
West Nile virus detection in American crows.
Yaremych SA, Warner RE, Van de Wyngaerde MT, Ringia AM, Lampman R, Novak RJ
Emerg Infect Dis. 2003 9(10):1319-21.


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