Publications

rabies in the state of morelos, mexico.	rabies incidence is high in the state of morelos, mexico. the present study is based on the data obtained from relevant government institutions. the results from 1980 to 1990 show an average of 3.3 human, and from 1985 to 1990 a total of 3,173 animal rabies positive reports. it was concluded that the anti-rabies programme in mexico, particularly in the state of morelos, has not produced adequate results.	1995	7502347
first case of natural infection in pigs. review of trypanosoma cruzi reservoirs in mexico.	an epidemiological research project was performed in the state of morelos including collection of samples for blood smears and culture, serological tests, and xenodiagnoses from a total of 76 domestic and peridomestic mammals. two strains of trypanosoma cruzi were isolated by haemocultures; one from a pig (sus scrofa), the first case of natural infection reported in mexico, and the other from a dog (canis familiaris). this study summarizes current information in mexico concerning confirmed reser ...	1997	9361743
seasonal distribution of rhipicephalus sanguineus ticks (acari: ixodidae) on dogs in an urban area of morelos, mexico.	between 1993 and 1995, we examined 1742 dogs at two veterinary clinics in cuernavaca city in mexico for the presence of rhipicephalus sanguineus ticks. the overall tick infestation prevalence was 20% and there were no significant differences (p > 0.05) between different years. the prevalence was somewhat higher in spring, summer and autumn (20% or more) than in winter (13.7%). a positive correlation (p < 0.01) was found between prevalence of ticks and rainfall in spring, summer and autumn, where ...	1999	10356770
seasonal occurrence of ctenocephalides felis felis and ctenocephalides canis (siphonaptera: pulicidae) infesting dogs and cats in an urban area in cuernavaca, mexico.	the seasonal occurrence of ctenocephalides felis felis (bouché and ctenocephalides canis (curtis) infestation on dogs and cats in cuernavaca city in mexico, was determined by examining 1,803 dogs and 517 cats at two veterinary clinics during 1995-1997. the overall flea infestation was 30.3 and 30.1% for dogs and cats, respectively. there were no significant differences (p > 0.05) in percentage of infestation among years for both hosts. the infestation was somewhat higher in spring, summer, and a ...	2001	11268680
canines as sentinel species for assessing chronic exposures to air pollutants: part 1. respiratory pathology.	a complex mixture of air pollutants is present in the ambient air in urban areas. people, animals, and vegetation are chronically and sequentially exposed to outdoor pollutants. the objective of this first of 2 studies is to evaluate by light and electron microscopy the lungs of mexico city dogs and compare the results to those of 3 less polluted cities in mexico: one hundred fifty-two clinically healthy stray mongrel dogs (91 males/61 females), including 43 dogs from 3 less polluted cities, and ...	2001	11353143
canines as sentinel species for assessing chronic exposures to air pollutants: part 2. cardiac pathology.	the principal objective of this study is to evaluate by light and electron microscopy (lm, em) the heart tissues in stray southwest and northeast metropolitan mexico city (swmmc, nemmc) dogs and compare their findings to those from 3 less polluted cities (cuernavaca, tlaxcala, and tuxpam). clinically healthy mongrel dogs, including 109 from highly polluted swmmc and nemmc, and 43 dogs from less polluted cities were studied. dogs residing in cities with lower levels of pollutants showed little or ...	2001	11353144
evaluation of risk factors for rural infestation by triatoma pallidipennis (hemiptera: triatominae), a mexican vector of chagas disease.	control of chagas disease requires control of its triatomine vectors, which requires an understanding of the determinants of infestation. twenty-seven household environmental characteristics in the town of chalcatzingo, morelos, were analyzed for association with infestation by triatoma pallidipennis, the predominant local vector. data were obtained through timed household searches for triatomines and surveys that characterized intradomicile and peridomicile environments. of the households surve ...	2004	15311472
feeding patterns of triatoma longipennis usinger (hemiptera, reduviidae) in peridomestic habitats of a rural community in jalisco state, mexico.	we analyzed triatomine blood feeding patterns to evaluate the role of peridomiciles in trypanosoma cruzi transmission at the rural village of tepehuaje de morelos at jalisco state, mexico (1999). a total of 206 bugs were collected in 11 out of 26 households (42.3%). nymphs predominated in the collections (64.9% of the total). except for one triatoma barberi female, a species that belongs to the protracta species complex, all adults were triatoma longipennis, a species of the phyllosoma complex. ...	2004	15605639
risk factors associated with house infestation by the chagas disease vector triatoma pallidipennis in cuernavaca metropolitan area, mexico.	chagas disease caused by infection with trypanosoma cruzi chagas (kinetoplastida: trypanosomatidae) is widespread in mexico, transmitted by various triatomine bugs (hemiptera: reduviidae). the only domestic vector in cuernavaca (population 650 000) is triatoma pallidipennis (ståhl) with t. cruzi seroprevalence ranging from 1% to 9% in the resident human population. we surveyed possible risk factors for t. pallidipennis infestation at cuernavaca (altitude 1200-2200 m) on south-western slopes of t ...	2005	15958028