Tumour‐targeting bacteria‐based cancer therapies for increased specificity and improved outcome

‘You have cancer’ – a devastating diagnosis that still strikes patients hard. Despite substantial improvements of standard therapies over the years, there is still no general cure available. Here, we review the revival of an old concept – the use of bacteria as cancer therapeutics. Bacteria‐mediated tumor therapy has great potential to evolve into a powerful tool against malignant solid tumors.