In the unlikely event that you really want to gin up on the subject before you open your ill informed mouth again, here is a link to a microbiology journal article on the subject.
mbio.asm.org/content/9/2/e0…
A little more on the microbiology of infection (cysts caused by chlorine washing stores infection rather than eliminating it.)
Which is one of the reasons why US food poisoning rates are so much higher than ours
Salmonella: In the US there are 1.2 million cases every year, 23,000 hospitalisations and 450 deaths. In the EU as a whole (and bear in mind there are 150 million more EU citizens than Americans) there were 1,766 hospitalisations in 2016 and just ten deaths.