evidence: There are probably some doctors that would tell you it’s no big deal and you shouldn’t worry about it (I would disagree with them). There are other doctors that would say you should never have your child around children who are unvaccinated regardless of your child’s health (I recognize this is not reasonable in many situations). [...] - Who isn’t vaccinated? This question is about family members which makes transmission of infectious diseases more likely than if you just walked by someone on the street and were not interacting with for longer periods of time. [...] Can you get a definitive answer about when your baby can be around unvaccinated children? No, but you at least have some information to make an informed decision.