| the re-emergence of american visceral leishmaniasis in an old focus in venezuela: present situation of human and canine infections. | the report of a new autochthonous case of human american visceral leishmaniasis (avl) in 1992 in the village of guayabita, aragua state, venezuela (10 degrees 16'n, 67 degrees 28'w; 500 m asl), led us to undertake an epidemiological study in this locality. a demographic survey was conducted using a structured questionnaire in which data was collected regarding sex, age, occupation, length of residence in the area and migratory history. a leishmanin skin test (lst) was applied and samples of veno ... | 1998 | 9879554 |
| [total and fecal coliforms, some enterobacteria staphylococcus sp. and moulds in salads for hot dogs sold in maracay, venezuela]. | fast food sold on the streets are good vehicle to transmit gastrointestinal diseases to consumers because they are highly manipulated. the vegetables are a good media for pathogens growth. raw vegetables salads for hot dog sold in maracay were studied. total and fecal coliforms and staphylococcus sp. were quantified by the most probable number technique, coliforms and staphylococcus isolated were partially identified. also the mould population was quantified and identified. microbial growth was ... | 2001 | 12012562 |