List of Articles contagious diseases Open Access Article Abstract Page Full-Text 1 - The crisis of the spread of Contagious diseases and the role of national aviation in its containment Mehdi Aliyari Open Access Article Abstract Page Full-Text 2 - Jurisprudential study of "objective obligation and sufficiency of Hajj" in the context of the Corona epidemic Azam Ramezani AbbasAli Heydari Mahmoud Ghaumzadeh