We’re all going to die.
(I’ve had chickens for tens years and have never experienced any health problems related to them. No Salmonella. No Avian Flu. No Gallus STD’s.)
Kids don’t get the exposure to natural pathogens like back in the day. When I was a kid growing up, we would play hide and seek in the cattle pens and play in dirt. The worst my brothers and I ever encountered was a case of pin worms.