(Note: This is the first in a two-part series.) Oklahoma, Missouri, Colorado. The national measles outbreak ? numbering more than 1,000 cases so far ? hasn?t hit Kansas yet, but it has crept awfully close…

Imagine you walked through an empty room and from that 5-second exposure contracted measles. For the unprotected, that’s a reality. In fact, the carrier of the virus could have left the room a full two…