My teen age son has his second bone infection in 2 years (osteomyelitis) We are trying to figure out is there is an underlying cause for either some type of immune deficiency or something that would make him susceptible for these infections. Essentially staff ( which is on all of us) gets into his blood and even that is not a problem for most people. In him it settles into bone, joint and muscle. Curious to know if there is any data on infections, or low immunity with chicken exposure. We also have a Golden Retriever. He no longer has to pick up poop and I am trying to contain my chickens to the side yard and to make sure we are really clean. It most likely has no effect but what a great place to ask an obscure question with all you experts!!!