Hassan Mumtaz; Farrukh Zaman; Qazi Mohammad Waleed; Zarghoona Gul Wajid; Anam Sayyar; Kinza Amir; Aamir Ghazanfar; Shahzaib Ahmed; Syed Abdul Ahad. Severity of 1st And 2nd Wave of COVID-19 Pandemic in Islamabad, Pakistan. rjrmc 2022, 2.