Inconsiderate

Just need to vent as I don’t know what I can really even do about it. Just found out last night my finance’s brother and his wife have not vaccinated their children. My son is 1 and on track with all of his and I’m just kinda pissed that they didn’t at least warn us so we could decide if we wanted our child around theirs. From what we have been told, they did start with the vaccinations with their first child but stopped, I don’t know at what point they stopped. But what would you guys do?

EDIT

Im mad because they did not inform me when my child DID NOT have his vaccinations therefore was more at risk. Was just venting. Also, now, they have stopped and I dont know where they stopped so I dont know what they are susceptible to therefore making MY child susceptible to. Obviously not worried about the ones he is finished getting, only the ones to come and the ones he is not yet done getting as he is not fully protected from these yet. Learn to read the whole thing fully y’all.