That’s exactly how a vaccine works you dummy it just uses an inert version of the virus that isn’t as dangerous.

Looks like it is really hard for onion to make a parody: https://theonion.com/rfk-jr-vows-to-make-measles-deaths-so-common-they-wont-be-upsetting-anymore/

Edit: and you know what’s crazy? He is advocating that everyone should get measles, because when he was young that was normal.

His voice is caused by disease called spasmodic dysphonia, which is also linked to childhood measles or mumps:

https://en.m.wikipedia.org/wiki/Spasmodic_dysphonia#Cause