K. Mallam Thomas, J. B. Bitrus, M. Titus, and J. Anthony, “IMPACT OF HEPATITIS B GENOTYPES AND TIME OF VACCINE LAST DOSE ON VACCINE BREAKTHROUGH INFECTIONS AMONG VACCINATED SUBJECTS IN BAUCHI STATE, NIGERIA”, FJS, vol. 10, no. 8, pp. 239–244, Apr. 2026, doi: 10.33003/.