Some are, but obviously not all. It depends where you live, how old you are, and if you are vulnerable to certain types of maladies. The unprecedented number of people being allowed to enter the country without any medical evaluation at all... from place where deadly diseases run rampant is changing the equation. Just as the public is rightfully losing confidence in the people and agencies that are supposed to be keeping us safe, we have challenges coming that are going to tax our healthcare system in ways not currently being planned for.