I. Papka et al., “SEROPREVALENCE OF HEPATITIS A VIRUS AND ASSOCIATED RISK FACTORS AMONG PATIENTS IN MAIDUGURI, BORNO STATE, NIGERIA”, iijp, vol. 2, no. issue 1, pp. 548–563, Feb. 2026, Accessed: Nov. 12, 2026. Available: https://www.impactinternationaljournals.com/index.php/ojs/article/view/225