Coronavirus Disease 2019 (Covid-19) and Prevalence of Olfactory Dysfunction: Systematic Review and Meta-Analysis Aly Mohammed Badran*, Ahmed Mahmoud Alqurashi, Norah Sulaiman Aljabarah, Turki Abdulmuin Althobaiti, Joud Fahad Alharbi, Abdullah Hamoud AlGharbi, Musab Ismail Ezzi, Sameera Ali Hakami, Alsharif Ammar Mohammed M and Naif Abdullah Alotaibi
