| observations of equines, humans and domestic and wild vertebrates during the 1969 equine epizootic and epidemic of venezuelan encephalitis in guatemala. | | 1972 | 5062308 |
| epidemiological aspects of toxoplasmosis. | | 1966 | 5975767 |
| isolation, tissue distribution, and molecular characterization of toxoplasma gondii from free-range chickens from guatemala. | the prevalence of toxoplasma gondii in free-ranging chickens is a good indicator of the prevalence of t. gondii oocysts in the soil because chickens feed from the ground. the prevalence of t. gondii in 50 free-range chickens (gallus domesticus) from guatemala was determined. antibodies to t. gondii were assayed by the modified agglutination test (mat). antibodies were found in 37 (74%) chickens with titers of 1:5 (11), 1:10 (7), 1:20 (11), 1:40 (1), 1:80 (1), 1:160 (3), 1:1,280 (2), and 1:2,560 ... | 2005 | 17089774 |
| toxoplasma gondii infection in rural guatemalan children. | to determine the prevalence and risk factors for toxoplasma gondii infection in guatemalan children, in 1999 and 2003 we surveyed caretakers and serologically tested children in the san juan sacatepequez area using platelia toxo igg tmb enzyme immunoassay kits. in 1999, of 532 children six months to two years old, 66 (12.4%) were antibody positive. in 2003, in 500 children 3-10 years old antibody prevalence increased from 24% to 43% at age five years then leveled off. by multivariate analysis, d ... | 2005 | 15772325 |
| interactions of nutrition and infection. | | 1968 | 4976616 |
| infection and diarrhea caused by cryptosporidium sp. among guatemalan infants. | during july 1985 to june 1986, fecal excretion of cryptosporidium oocysts was determined prospectively in a cohort of 130 infants, aged 0 to 11 months, living in a marginal urban area of guatemala city, guatemala. a total of 1,280 stool specimens were examined; 158 of them were collected during episodes of diarrhea, and 1,122 were collected during symptom-free periods, every 2 to 3 weeks, from every child. of the children, 20 (15.4%) excreted cryptosporidium oocysts during the observation period ... | 1988 | 3343318 |
| serologic survey of domestic felids in the petén region of guatemala. | blood samples were analyzed from 30 domestic cats (felis domesticus) from the petén region of guatemala to determine the seroprevalence of common pathogens that may pose a potential risk to native wild felids. eight of the cats had been vaccinated previously; however, owners were unable to fully describe the type of vaccine and date of administration. in addition, blood samples were obtained from two captive margays (leopardus wiedii). samples were tested for antibodies to feline immunodeficienc ... | 2005 | 17315469 |