Campylobacter jejuni has been reported as the leading bacterial pathogen that causes foodborne gastroenteritis in humans in many countries. This study aimed to assess the survival of 46 C. jejuni strains isolated from food (14), humans (18), and animals (14) in Brazil from 1996–2016 under different stress conditions, evaluate their invasion and survival capacity in Caco-2 cells and U-937 macrophages and determine virulence usi...