Coronavirus disease 2019 (COVID-19) has become a global health challenge with high transmission and mortality rates. This study aimed to identify prognosis factors of the risk death among hospitalized patients COVID-19 in Behbahan City, southwest Iran. Methods: In this study, information 800 admitted Shahidzadeh Hospital City Iran from March 20, 2020, Jan 2021, was investigated. Thereafter, dem...

War is one of the critical determinants of health status of populations in many parts of the world. Armed con-fl ict has been a major cause of deaths and morbidity throughout the history. 3 In the 25 confl icts during the 20 th century, 72 million deaths were confl ict-related and civilians were included in nearly half of the deaths during the armed confl icts from 1987 to1997. Two million chil...

This paper introduces the concept of a dynamic key infrastructure for Grid. It utilises the properties of Identity-based Cryptography (IBC) to simplify key management techniques used in current Public Key Infrastructure (PKI) settings for Grid. This approach can offer greater simplicity, flexibility, and enhanced computation trade-offs.