I was diagnosed with an autoimmune medical issue several years ago. This medical condition compromises my immune system and makes me very susceptible to catching others illnesses. Perhaps this may seem silly to some, but to me, it's quite a valid question: in the dental profession, how frequently do you come into contact with patients that have contagious illnesses? Note: I do understand that any profession dealing with direct human to human interaction has the susceptibility to come into contact with contagious illnesses. Please advise. Thank you.