Objective: The purpose of this study is to report frequency of hepatitis D virus among hepatitis B positive patients.Methodology: This observational study was conducted from March 15, 2024 to August 28, 2024; at Aria Institute of Med-ical Sciences Quetta. Data for the research was collected after approval from IRB approval letter no ARIA-IRB-009-2024. Samples from all patients were collected after written consent permission with reassurance for anonymity of the data and it will be used only for research purpose. Samples were collected from those patients who were not diagnosed previously to hepatitis D.Results: A total 138 positive HBS positive patient’s samples were tested for HDV through PCR among total samples 27 were positive and 111 were negative for HDV. Patient were divided into 3 age groups among them HBV positive were most common in 13 – 36 age group and HDV positive were most common in same age group.Conclusion: HDV virus is becoming very common in 13 – 36 age groups which are positive for HBV virus. Keywords: KAP, Immunization, Mothers, Infectious Diseases, Vaccination