Assessing core capacities for addressing public health emergencies of international concern at designated points of entry in cameroon during the COVID-19 Pandemic oleh Viviane Fossouo Ndoungué, Arouna Njayou Ngapagna, Serge Agbo Kouadio, Raoul Djinguebey, Oumarou Gnigninanjouena, Sara Eyangoh, Georges Nguefack-Tsague, Hugues C. Nana Djeunga, Omer Njajou