Measles is back in part because we stopped fearing it.

WASHINGTON: The United States has recorded its worst measles outbreak since 1991, according to official figures...

So far this year, 2,318 confirmed cases of the highly contagious illness have been recorded — the most since 1991 with 9,643 recorded cases.

Reported cases of measles in the United States have hit their highest level in 35 years, according to the latest numbers from the Centers for Disease Control and Prevention.