IMMUNOGENICITY AND SAFETY OF INACTIVATED SARS-COV-2 VACCINE ((VERO CELL), BBIBP-CORV ((SINOPHARM)); AN OBSERVATIONAL STUDY FROM PAKISTAN. - Farooq, Muhammad; Malik, Muhammad Fayyaz; Hussain, Ashfaq; Latif, Majid; Rathore, Muhammad Usman; Khan Lodhi, Rehan Ahmad (Pakistan Armed Forces Medical Journal, 2021)