Publications

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disease-surveillance and decision-making after the 1976 guatemala earthquake.in the first 3 weeks after the 1976 earthquake in guatemala a system for collecting, analysing, and disseminating information of medical importance was instituted in the disaster area. data on cases of selected diseases, number of available hospital beds, and medical supplies were collected, and reported epidemics were investigated. the system functioned well despite the limited numbers of trained personnel. collection and analysis were quick enough for data to be used immediately in decision-ma ...197769793
leads from the mmwr. human rabies acquired outside the united states. 19853999265
[the protein quality of opaque-2 corn as an ingredient of diets of rural populations of guatemala]. 19724664552
[a new problem of public health? human pulmonary dirofilariasis]. 19734799645
interactions of nutrition and infection. 19684976616
epidemiological aspects of toxoplasmosis. 19665975767
the domestic dog, a potential reservoir for leishmania in the peten region of guatemala.in the present study, domestic dogs in a leishmania endemic area in the peten region of guatemala were sampled to determine if they are a potential reservoir for leishmania parasites. blood from 100 dogs from six villages was tested with two different antibody-capture assays for leishmania-specific antibodies and a 28% seroprevalence was determined. tissue scrapings from six dogs presenting with chronic lesions characteristic of leishmania infection were sampled and four dogs were positive by a ...200312860062
the street food culture of guatemala city: a case study from a downtown, urban park.this study investigated the structure and environment of 31 street food vendors in an urban park in the downtown area of guatemala city. vendors were interviewed and observed in order to assess the quality, safety, and accessibility of street food. the street food vending in the park consisted of five types: whole meal, snack, beverage, fruits, and carts. a great variety of typical guatemalan meals, as well as ready-to-eat fruits and hot dog chapin (hot dog with cabbage and avocado cream), were ...19989830483
observations of equines, humans and domestic and wild vertebrates during the 1969 equine epizootic and epidemic of venezuelan encephalitis in guatemala. 19725062308
the involvement of dogs in endemic cycles of venezuelan encephalitis virus. 19734743343
ecologic observations of venezuelan encephalitis virus in vertebrates and isolations of nepuyo and patois viruses from sentinel hamsters at pacific and atlantic habitats in guatemala, 1968-1980.la avellana and puerto barrios, two enzootic foci of venezuelan encephalitis (ve) virus on the pacific and caribbean lowlands (respectively) of guatemala have been studied over a 13-year period. data from sentinel hamsters and guinea pigs and wild and domestic vertebrates are reported. ve virus strains were isolated from hamsters each period they were exposed during the rainy seasons 1968-1980 and at the end of the dry season 1974. rates of isolation of ve virus ranged from 0.2%-5.7% hamster/day ...19854025694
human rabies acquired outside the united states. 19853920497
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 ...19883343318
coproantigen detection for immunodiagnosis of echinococcosis and taeniasis in dogs and humans.three elisa assays, based on hyperimmune rabbit serum raised against adult cestode somatic antigen, were applied in this study for the detection of taenia- and echinococcus-specific antigens in host faeces. the first assay, using an antiserum against taenia pisiformis antigen extract, was used in a time-course of t. pisiformis experimental infection in dogs. the assay was shown to be considerably more sensitive than microscopical detection of eggs in faeces. antigen was present in faeces before ...19921594298
ecologic studies of venezuelan encephalitis virus and isolations of nepuyo and patois viruses during 1968-1973 at a marsh habitat near the epicenter of the 1969 outbreak in guatemala.ecologic studies of venezuelan encephalitis (ve) virus at a marsh habitat near the epicenter of the 1969 outbreak in guatemala revealed that the virus was enzootic there. ve virus was isolated yearly during 1968-1973 from sentinel hamsters exposed during the rainy seasons and from mosquitoes collected during july and august 1970. hamsters yielded 41 strains of ve virus and virus was detected within 2 km of the edge of the marsh, in its interior, and at its western extreme 18 km from the central ...19763981
assessing human-dog conflicts in todos santos, guatemala: bite incidences and public perception.the issues surrounding dog bites are a major public health concern, particularly in areas of low income where accessibility to adequate health care, veterinary medicine and sufficient management of canine population control is low. an understanding of the risk factors associated with human-dog conflicts may be important when establishing dog bite and disease prevention strategies. in may 2008, a census of 12 consociated neighbourhoods in todos santos, guatemala was conducted to investigate dog b ...201121872951
the discovery of the vector of robles disease.the origin and transmission of african filariasis has long remained enigmatic. between 1915 and 1917, the pathogenic role of onchocerca volvulus and its transmission by insects of the genus simulium, had been established in guatemala by rodolfo robles who took opportunity of a series of discoveries to formulate his hypothesis on the origin of latin americna onchocerchiasis. the present paper gives an historical account of the steps and the context having led to the formulation of the aetiologica ...200820055232
evaluation of baits for delivery of oral rabies vaccine to dogs in guatemala.acceptance of oral baits by dogs was evaluated in guatemala. eight bait matrix/attractant combinations were produced using commercial materials available in the united states. two baits were produced using local materials in guatemala. all baits included a plastic sachet that contained a placebo vaccine (water). bait trials were conducted february-april, 2002, at five sites using 261 dogs. bait acceptance ranged from 50.0% to 87.1%, and the combined proportion of sachets either swallowed or punc ...200313677371
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