Changes in social mixing and attitudes and practices to precautionary measures in a maturing COVID-19 pandemic in six communities in Sudan: a qualitative study oleh Salma A.E. Ahmed, Rahaf AbuKoura, Abd Elhameed Ahmed, Omama Abdalla, Omnia Kamal Hassan, Ahmed Tom, Ahmed Eldirdiri, Drieg Ismaeil, Israa Zainalabdeen, Nazik Nurelhuda, Aljaile Ahmed, Afrah Abdan, Maysoon Dahab, Nada Abdelmagid