Whether -- and when -- to vaccinate children has come under much greater scrutiny in recent years by parents. Columnist  +Michael Hiltzik points to a new map that highlights the impact of delaying or withholding childhood vaccines. 

"The lesson of all this is that vaccination is not an individual choice to be made by a parent for his or her own offspring," he writes. "It's a public health issue, because the diseases contracted by unvaccinated children are a threat to the community." 

Do you agree that it's a matter of public concern or simply a private, family decision?
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