Taco Bell Linked to Salmonella Outbreak - ABC NewsAfter weeks of anonymity as "Restaurant Chain A" in an investigation into a salmonella outbreak that infected dozens of people in ten states, Taco Bell has been outed as the "Mexican-style" restaurant chain linked to the dangerous infections.
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What is Bacterial Typing?
A bacterial typing method is a phenotypic or genetic analysis of bacterial isolates performed to generate isolate-specific fingerprints for assessing epidemiological relatedness. This analysis is based on polymorphic phenotypic or genetic biomarkers to differentiate each individual in the entire specie.
MLVA, a powerful typing method
Multi Locus VNTR Analysis (MLVA) is a PCR based typing method that relies on the inherent variability found in many regions of repetitive DNA called VNTR (Variable Number Tandem Repeat) which represent sources of genetic polymorphism.
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