Because vaccines are bad... *facepalm*
The Avengers just finished fighting Thanos, but now a group of people in California that watched "Endgame" may be battling measles.
Orange County officials warned Wednesday that a woman with measles apparently saw the opening night's midnight showing of "Avengers: Endgame" in Fullerton before realizing she was sick.
http://www.yahoo.com/huffpost/woman-measles-avengers-endgame-audience-221015207.html
What is the point of rules that are not enforced?