María Del Pilar Castañeda Serrano

INTRODUCTION Salmonella is an important pathogen transmitted through food, water or direct contact with animals. Recently, it was estimated that this pathogen causes more than 20 million disease episodes and 144,000 worldwide deaths annually.1 In order to prevent infections, veterinary and human health laboratories have stablished national Salmonella surveillance programs oriented to monitor preva ...

1. BackgroundSalmonella is an important pathogen transmitted through food, water or direct contact with animals. Most Salmonella surveillance programs rely on polymerase chain reaction (PCR)-based assays for rapid and accurate detection (1, 2). Among these molecular tools, the invA-PCR assay has been accepted as the conventional method for Salmonella detection (2-4). This PCR protocol amplifies a ...