I need help with how to ask people to be vaccinated before my baby arrives

I want to ask my close friends and family (particularly my in laws whom we currently live with) to be up to date with their vaccinations if they wish to visit my baby. I’m 35 weeks pregnant currently.

I’m trying to find a pleasant way to explain why I would like everyone’s vaccinations to be up to date but I’m aware that not all people agree with vaccinations.

My in laws in particular are being some what difficult about this, saying how they hare needles and asking if it’s “reallllyyy necessary”. They are pretty uneducated when it comes to health and this really bothers me.

My family are all up to date and most of my friends are too. Just a fee people that I need to get the message across too.