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Vaccination of health care workers (HCWs) against hepatitis (HBV) infection is highly necessary in Nigeria where the infection occurs in hperendemic proportions. We hereby determine the trends in the administration of HBV vaccine at the University College Hospital (UCH), Ibadan, Nigeria. The study reviewed the records for the administration of vaccine against HBV at the Staff Medical Services Department of UCH, Ibadan, Nigeria, from 1994 to 2001. A total of 1,437 subjects consisting of 686 (47.7%) males and 751 (52.3 %) females were vaccinated against HBV from 1994 to 2001. They were aged 16 to 64 years and consisted of 356 students (24.8%) and 1081 healthcare workers (HCWs) (75.2%) which comprised Doctors (30.9%), Dentists (1.9%), Paramedics (19.6%), Non-medics (14.6%) and subjects with undisclosed occupational category ((10.7%). About 11% to 100% of the subjects had annual prescreening for HBsAg sero-negativity from 1996 to 2001 but none had post vaccination assay of anti-HBs titre. All the subjects received 1st dose of 0, 1, 2 accelerated HBV vaccination schedule while on annual basis, 16.7% to 91.8% of the subjects received the 3rd dose of the vaccine. Despite the proportional participation of the different occupational groups was highest among the doctors and dentists but lowest among the paramedics, only 59.7% of all the vaccinees had three dose(s) of the vaccine during the 8 year period. In conclusion, although the HBV vaccination programme had shortcomings, it is an established practice at UCH, Ibadan and efforts should be made to improve on its prevailing standard. Keywords: Immunization, HBV, Healthcare Workers, Nigerians, UCH, Ibadan.

Hepatitis B immunization at the University College Hospital, Ibadan: an eight year review of vaccine administration records