The government would be the cause of the zombie pandemic. They would lie and pretend nothing happened.
"To the great populous of [city or town name here] please watch this informative public service message about odd occurances"
*government people get the **** out of dodge or into safe bunkers*
*the populous turns around and realizes that all the things the government said werent that bad are at their doors or eating their backsides*
*chaos*
*population decrease*
*survivors surviving*