The present study aims to investigate an up-to-date prevalence of Hepatitis B Virus (HBV) infection among a mix population of Peshawar, Khyber Pakhtunkhwa, Pakistan. This study highlighted the relationship between HBV, demographic, clinical parameters and the risk factors in patients with HBV. A total of 4,758 blood samples from the mixed population were collected including 2382 male 2376 females. All the samples were subjected to hepatitis B surface antigen Immuno-chromatographic test (ICT), HBsAg enzyme-linked immunosorbent assay and by Reverse transcription polymerase chain reaction for the existence of antibodies against HBV. It was observed that 307 (12.8%) out of the 2382 individuals harbored antibodies in their blood against HBV. Among the different age groups, the highest number of incidences of HBV antibodies was found in the 16-25 age groups (7.01%). ICT positive samples were further screened by nested polymerase chain reaction (PCR) to determine the existence of active HBV-DNA. It was investigated that 5.7% (2382) of the total population (4758) tested was positive, among which the female 15.4% (367) possessed antibodies in their blood against HBV. Our results showed a higher male percentage than that of the female. The total HBV prevalence was recorded at 4.5% in all populations comprising both male and female. It was concluded that the highest prevalence of HBV was found in male and female in the age group 16-25, and then followed by the age group that lies between 26-55.
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