The CDC's measles map is now a household document. Thursday's CDC-print brief held the national baseline at 1,842 confirmed cases, 25 outbreaks and 93 percent outbreak-linked cases. The Utah map story added the useful complication: one curve can slow while the geography widens.

The service box parents need is simpler than the politics. CDC says measles is highly contagious, spreads through air, and can remain infectious in a room after an infected person leaves. [1] The parent questions are immediate: was my child in the exposure window, has the child had MMR, what symptoms should trigger a call, and when should an exposed child stay home?

The vaccine argument will continue without help from this paper. The map's practical value is that it tells families whether confirmed cases and outbreaks have reached their jurisdiction. A dashboard is not advice by itself.

If CDC's Thursday number updates again, the case count will lead most headlines. The better public-health sentence is this: after an exposure notice, use CDC's linked outbreak resources and local health department guidance before turning a dashboard into a family decision.

That is not a culture-war box. It is the parent-service box the dashboard still needs beside every shaded county.

-- NORA WHITFIELD, Chicago