Actually more then you think.
When my kid was little; there was a hispanic family who lived a few houses down. Not much in the way for money. There were good to my kid so they played a great deal.
One day one of the girls was missing. We enquired and heard she was sick enough to go to the emergency room. The first thought? Meningitis. Luckily it wasn’t.
Obviously there isn’t a vaccine for it. It opened my eyes about medical care access and vaccines.