Press Release - Maiduguri, 2 December, 2021 - In preparation for the Supplementary Immunization Activities (SIA) in Borno State, the WHO Country Representative (WR), Dr Walter Kazadi Mulombo, has solicited advocacy train to the Shehu of Borno, Dr Abubakar Ibn Umar Garbai Al-Amin El-Kanemi, to canvass support for the success of the exercise.