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Results for “Potential pathogens”

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At least 361 records · Page 20Linked to original sources
PubMed1980

Maternal carrier rates of potentially pathogenic organisms in Bangkok, Thailand.

One hundred and four healthy women delivering infants at the Royal Thai Army Hospital, Bangkok, were sampled by rectal swab for the laboratory isolation and identification of enteric bacteria of medical importance. Seventeen percent of these women had significant isolates as Salmonella, Shigella and Vibrio species. Serotypically enteropathogenic Escherichia coli were also identified in 31% of the mothers.

Bacterial Infections↗
PubMedDate not supplied

Isolation of salmonella and some other potential pathogens from two chicken breeding farms in Saudi Arabia.

Different salmonella serotypes were recovered from various sources in meat (A) and layer (B) poultry-breeder farms of Saudi Arabia. On farm A, salmonella were recovered from intestines of poultry breeders (7.41%), inshelled chicken embryos (2.87%), day-old chicks (19.23%), and mice (21.43%). Salmonellae in shell contents and on shell surfaces of hatching eggs contaminated the same percentage of eggs (1.24%), and litter and feed contaminations were 4.0% and 1.67%, respectively. On farm B, salmonella were recovered from intestines of poultry breeders (27.59%), mice intestines (15.0%), shells of hatching eggs (2.48%), hatching egg contents (0.35%), litter (33.33%), and feed (5.0%). No salmonella were recovered from intestines of inshelled chick embryos or day-old chicks on farm B. The total number of salmonella serotypes isolated from both farms was 14, and the serotypes common to both farms were Salmonella concord and S. livingstone. Salmonella contamination of shells of hatching eggs, pooled from both farms, was higher for dirty floor eggs than for clean eggs collected from floors and nests. The percentages of hatching eggs penetrated by bacteria other than salmonella on farms A and B, respectively, were: dirty floor eggs (25.53%, 22.83%), clean floor eggs (2.67%, 2.06%) and clean nest eggs (0.00%, 1.08%). The bacterial flora isolated from egg contents of unincubated hatching eggs (in decreasing order of frequency) were Staphylococcus, coliforms, Streptococcus, Bacillus, Salmonella, and Proteus.

Animal Husbandry↗
PubMed1994

[Contamination of archives by filamentous fungi and their evaluation for potential pathogenicity].

The results of microbiological examinations of dust samples collected from mortgage registers in the court archives are presented. In the samples examined filamentous fungi of Penicillium genus were observed as well as Cladosporium herbarum, Geotrichum candidum, Cephalosporium glutineum, Mucor racemosus, Trichoderma viride and Aspergillus niger. Filamentous fungi of Penicillium genus occurred in the highest concentration accounting for 350,000 CFU/g. The levels of the remaining fungi were lower--they ranged from 500 CFU/g to 100,000 CFU/g. The concentration of filamentous fungi observed in archives can create health risk for workers.

Air Pollutants, Occupational↗
PubMedDate not supplied

[The choice of the method for determining the potential pathogenicity of shigellae].

The biological characteristics of 196 Shigella strains, isolated in regions with different levels of the geomagnetic field tension, were under study. Strains able to adsorb Congo red, characterized by antilysozyme activity, hydrophobic, resistant to gentamycin, monomycin, kanamycin, rifampicin were more frequently isolated in the regions with a higher tension of the field, this being confirmed by a stable correlation. The ability of Shigellae to fix Congo red correlated with the before signs and with colicinogenicity, therefore this test may be recommended for the assessment of Shigella virulence.

Anti-Bacterial Agents↗