Generally, bacteria cause infectious diseases. The role of bacteria as a causative agent of
oncogenesis or mediators has been less known and elucidated. To date, Helicobacter pylori
and Chlamydia pneumonia were identified and reported as cancer-causing bacterial
pathogens. Research reports also indicated Salmonella typhi as oncogenic bacteria that
alter the human immune system and establishes gall bladder cancer (GBC). S. typhi
releases the carcinogenic toxic molecules at the chronic phase with the asymptomatic sign …