BURLINGTON, Vt. (AP) - The Vermont Health Department says 11 whooping cough cases were reported in Windham County in June and so far this month there have been five suspected cases.
Of the 11 confirmed cases, 10 people have been vaccinated against whooping cough. Officials don't know the vaccination status of the other case.
All but one of the confirmed cases was in children between the ages of 3 and 17, and all but one of the cases was reported in Brattleboro.
Whooping cough, also known as pertussis, is a contagious disease caused by a bacterial infection of the lungs.
The Health Department says the last major outbreak in Vermont was in 2012 when more than 600 cases were reported.
The health department still says vaccination is the most effective way to prevent illness.
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