COVINGTON, Ky. (AP) - Northern Kentucky is having a record year for whooping cough.

Health officials say that 184 cases of pertussis have occurred in Boone, Campbell, Grant and Kenton counties since November.

Epidemiologist Emmanuel Oga of the Northern Kentucky Health Department said Monday that 110 cases of the season total came in 2016 alone. Oga says the majority of the reported cases are in teenagers. He says health officials usually see the outbreak in young children and in groups of unvaccinated children.

Oga says the reason behind the outbreak is unclear. He says pertussis vaccinations are required for school attendance, so he doesn't believe the outbreak is a result of unvaccinated children.

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