Factors influencing hesitancy towards adult and child COVID-19 vaccines in rural and urban West Africa: a cross-sectional study oleh Seydou Doumbia, Kadari Cisse, Henri Gautier Ouedraogo, Dewi Ismajani Puradiredja, Jürgen May, Ralf Krumkamp, Daniela Fusco, Sylvain Landry B. Faye, Moctar Tounkara, Ricardo Strauss, Tani Sagna, Alpha Mahmoud Barry, Abdul Karim Mbawah, Cheick Oumar Doumbia, Souleymane Diouf, Mohamed Harding, Paule Donven