No really...
We were careful to make sure our eldest understood not to touch Marley with dirty hands, etc, but we don't really have close contact with anyone else to worry about it much.

I didn't get the booster in hospital, neither did DH. TBH I have been more worried about it the few times I have had to take one or the other of them to the ER. It is the only time they are exposed in at close proximity to randoms and sick people.

Babywearing was another good one though, meant I didn't get randoms at the shopping centre coming up to me and touching her etc.