Hwaiz , Rundk, et al. “Effect of Lockdown,Temperature,and Humidity on the Pattern of COVID-19 in Erbil Province,Kurdistan Region, Iraq”. Diyala Journal of Medicine, vol. 20, no. 2, June 2021, pp. 56-67, https://www.djm.uodiyala.edu.iq/index.php/djm/article/view/734.