The commissioner added that the proactive measures taken by the state and other stakeholders were responsible for the zero mortality recorded. The Borno Government says no fewer than 287,708 people have been vaccinated against cholera in the state, the News Agency of Nigeria (NAN) reports.Commissioner for Health, Prof. Baba Gana, disclosed on Friday when he officially declared a cholera outbreak in the state. Gana said that the immunisation that started on September 25 was 96% successful. The commissioner added that the proactive measures taken by the state and other stakeholders were responsi…