| risk factors for brucellosis seropositivity of goat herds in the mexicali valley of baja california, mexico. | a case-control study was conducted in the mexicali valley to identify risk factors for goat-herd seropositivity for brucella melitensis. nineteen case herds (> or = 2 positive results with the 8% rose bengal plate test (rbt)) and 55 control herds (zero positive results in rbt), matched for herdsize and geographic location, were enrolled. conditional logistic regression was used to construct a multivariable model of the odds of seropositivity using variables assessed in a questionnaire administer ... | 1998 | 9879591 |
| molecular characterization of rabies virus isolates from mexico: implications for transmission dynamics and human risk. | twenty-eight samples from humans and domestic and wild animals collected in mexico between 1990 and 1995 were characterized by using anti-nucleoprotein monoclonal antibodies and limited sequence analysis of the nucleoprotein gene. the variants of rabies viruses identified in these samples were compared with other isolates from mexico and the rest of the americas to establish epidemiologic links between cases and outbreaks and to increase the understanding of rabies epidemiology in the western he ... | 1999 | 10548293 |
| canine ecology and socioeconomic factors associated with dogs unvaccinated against rabies in a mexican city across the us-mexico border. | a cross-sectional study was conducted to identify ecologic and socioeconomic factors associated with dogs unvaccinated against rabies in mexicali, the capital city of baja california, mexico (located across the us-mexico border). a total of 1100 households were selected by random sampling from a list of all 180,000 households. a questionnaire was filled in during a personal interview with the household head or another adult person to gather information of epidemiological interest (such as canine ... | 2004 | 15156995 |
| [control of rabies in the state of baja california]. | | 1969 | 5396858 |