The Cowley County Health Department said on Thursday, that it is closely watching a case of pertussis, which is also known as whooping cough, that was reported in Sumner County. The case involves a student in the Wellington schools, according to a press release from the school superintendent there. In that release, the school’s officials say non-immunized students may be excluded from school right now, and district personnel are working closely with the Sumner County Health Department to monitor the situation.