Official : A preschooler went to bed ` ` asymptomatic , '' was dead the next morning . A medical official now says the boy died suddenly from enterovirus D68 . There are no other suspected cases in the town of 90,000 residents . There 's no way of knowing how the boy contracted the virus , official says . CDC confirms that children in several states have respiratory illnesses caused by enterovirus D68 .
Official : A preschooler went to bed ` ` asymptomatic , '' was dead the next morning . A medical official now says the boy died suddenly from enterovirus D68 . There 's no way of knowing how the boy contracted the virus , official says . CDC confirms that children in several states have respiratory illnesses caused by enterovirus D68 .