An epidemic of Rocky Mountain spotted fever (RMSF) is ongoing in Mexicali, México. We visited 100 neighborhoods with diagnosed human cases and 100 control neighborhoods to evaluate knowledge of the epidemic; obtain data on the spatial distribution of dogs, canine seroprevalence and active...
Author(s)
Foley, J.; Tinoco-Gracia, L.; Rodriguez-Lomelí, M.; Estrada-Guzmán, J.; Fierro, M.; Mattar-Lopez, E.; Peterson, A.; Pascoe, E.; Gonzalez, Y.; Hori-Oshima, S.; Armstrong, P. A.; Lopez, G.; Jacome-Ibarra, M.; Paddock, C. D.; Zazueta, O. E.
Publisher
American Society of Tropical Medicine and Hygiene, Deerfield, USA
Citation
American Journal of Tropical Medicine and Hygiene, 2019, 101, 1, pp 22-32
An outbreak of Rocky Mountain spotted fever (RMSF) transmitted by the brown dog tick (Rhipicephalus sanguineus sensu lato) has emerged as a major human and animal health concern in Mexicali, Mexico. Due to high rates of brown dog tick infestation, susceptibility, and association with humans, dogs...
Author(s)
López-Pérez, A. M.; Orozco, L.; Zazueta, O. E.; Fierro, M.; Gomez, P.; Foley, J.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2020, 15, 5,
Portions of northern Mexico are experiencing a re-emergence of Rocky Mountain spotted fever (RMSF), a tickborne disease caused by Rickettsia rickettsii, a member of the spotted fever group of rickettsiae (SFGR). Infection with R. rickettsii can result in serious and life-threatening illness in...
Author(s)
Pieracci, E. G.; Perez de la Rosa, J. D.; Luna Rubio, D.; Solis Perales, M. E.; Velasco Contreras, M.; Drexler, N. A.; Nicholson, W. L.; Pérez de la Rosa, J. J.; Chung, I. H.; Kato, C.; Behravesh, C. B.; Enríquez, M. A. G.; González Roldan, J. F.; Villarino, M. E.
Publisher
Wiley, Berlin, Germany
Citation
Zoonoses and Public Health, 2019, 66, 8, pp 918-926
Rocky Mountain spotted fever (RMSF) is a severe tick-borne rickettsial illness. In the south-western United States and Mexico, RMSF displays unique epidemiologic and ecologic characteristics, including Rhipicephalus sanguineus sensu lato (brown dog tick) as the primary vector. Expansion and spread...
Author(s)
Yaglom, H. D.; Nicholson, W. L.; Casal, M.; Nieto, N. C.; Adams, L.
Publisher
Wiley, Berlin, Germany
Citation
Zoonoses and Public Health, 2018, 65, 8, pp 984-992
Background: Dogs are vulnerable to pathogens transmitted by brown dog ticks. An epidemic of Rocky Mountain spotted fever (RMSF) is underway in Mexicali, a Mexican city bordering California affecting people and dogs; several human cases have been reported in California residents who travelled to...
Author(s)
Estrada, I.; Balagot, C.; Fierro, M.; Kriner, P.; Iniguez-Stevens, E.; Kjemtrup, A.; Foley, J.
Publisher
Wiley, Berlin, Germany
Citation
Zoonoses and Public Health, 2020, 67, 2, pp 148-155
Background: Rocky Mountain spotted fever (RMSF) is a significant public health problem in Sonora, Mexico, resulting in thousands of cases and hundreds of deaths. Outbreaks of RMSF are perpetuated by heavy brown dog tick infestations in and around homes. During 2009-2015, there were 61 RMSF cases...
Author(s)
Alvarez-Hernandez, G.; Drexler, N.; Paddock, C. D.; Licona-Enriquez, J. D.; Delgado-De Mora, J. la; Straily, A.; Candia-Plata, M. del C.; Cruz-Loustaunau, D. I.; Arteaga-Cardenas, V. A.
Publisher
Oxford University Press, Oxford, UK
Citation
Transactions of the Royal Society of Tropical Medicine and Hygiene, 2020, 114, 4, pp 293-300
Rocky Mountain spotted fever (RMSF) is a serious disease in northwest Mexico, particularly in low-income communities. This study aimed to evaluate RMSF-related knowledge, attitudes, and practices in an endemic urban area with a high burden of the disease. A cross-sectional study design using a...
Author(s)
Reyes-Castro, P. A.; Ernst, K. C.; Walker, K. R.; Hayden, M. H.; Alvarez-Hernandez, G.
Publisher
American Society of Tropical Medicine and Hygiene, Deerfield, USA
Citation
American Journal of Tropical Medicine and Hygiene, 2021, 104, 1, pp 184-189
The present paper is the first to perform this evaluation in dogs from the cities of Natividade, Porciuncula and Varre-Sai. The aim of this study is to search for Spotted Fever Group Rickettsia in canine sera using indirect immunofluorescence assay and to identify the probable causative agent of...
Author(s)
Poubel, I. T.; Cunha, N. C.; Fonseca, A. B. M.; Pinter, A.; Fonseca, A. H.; Cordeiro, M. D.; Almosny, N. R. P.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2018, 70, 3, pp 667-674
Rocky Mountain spotted fever (RMSF) is a potentially fatal tick-borne disease in people and dogs. RMSF is reported in the United States and several countries in North, Central, and South America. The causative agent of this disease, Rickettsia rickettsii, is transmitted by several species of ticks, ...
Author(s)
Alhassan, A.; Liu HuiTao; McGill, J.; Cerezo, A.; Jakkula, L. U. M. R.; Nair, A. D. S.; Winkley, E.; Olson, S.; Marlow, D.; Sahni, A.; Narra, H. P.; Sahni, S.; Henningson, J.; Ganta, R. R.
Publisher
American Society for Microbiology (ASM), Washington, D.C., USA
Citation
Infection and Immunity, 2019, 87, 2, pp e00628-18
Throughout North America, Dermacentor spp. ticks are often found feeding on animals and humans, and are known to transmit pathogens, including the Rocky Mountain spotted fever agent. To better define the identity and distribution of Dermacentor spp. removed from dogs and cats in the United States,...
Author(s)
Duncan, K. T.; Saleh, M. N.; Sundstrom, K. D.; Little, S. E.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Medical Entomology, 2021, 58, 3, pp 1241-1247