Ali Abdullah Al-Munif , Mishari Ahmed Al-Ghanim , Fahd Mardi Bakit Al-Dosari , Mohammed Abdulwahab Andijani , Ali Hammoud Al-Dosari , Nasser saleh Nasser Alnafisah , Khaled Assaf Al Assaf, and Sumayyah Mudhhi Mutlaq Alanazi , Ali Fahd Al Furaij , Abdulmajed Abdulaziz Samarkandi , Ahmed Fahed Alanazi , Abdulmajed Abdulaziz Samarkandi. 2022. “Influenza Pandemics In Hajj Pilgrimage In Mecca: Past, Present And Future”. Migration Letters 19 (S8). London, UK:901-6. https://migrationletters.com/index.php/ml/article/view/9918.