COVID-19 surveillance in fragile health systems, armed conflict and humanitarian crisis, the case of Yemen. - Ba-Break, Maryam; Donnelly, Sean; Saleh, Mohamed; Kaity, Abdullah Mubarak; Alwaqedi, Abdullatif; Badheeb, Ahmed Mohamed; Mohammed, Nasr A.; Alosaimi, Abdullah Nagi; Al-Haddi, Jamal A.; Annuzaili, Dhekra Amin (International Journal of Healthcare Management, 2025)