Background: Frequent injections and blood taking for lab analysis in addition to hazards that exist
during handling, make medical staff vulnerable to HBV, HCV and HIV infections and put these
infectious agents among the most important occupational diseases in medical staff.
Objective: A- HBsAg carrier prevalence and AntiHBs Ab titre determination among Medical staff.
B- Identification of the most common route of transmission and occupational exposure to blood and
other body fluid materials.
Methods: We assessed the questionnaires of 270 medical staffs of Boali hospital and the results of
HBsAg and AntiHBs Ab (qualitative) which has been extracted from their occupational documents.
Findings: We found that 1.1% (3 person) had HBsAg (positive cases) and 63.4% had an acceptable
level of AntiHBs Ab (Which denotes to efficacy of vaccine). It was revealed that the most common
occupational exposure in order of decrease in frequenciy were: needle stick 38.1%, accidental face
contact with blood and other body fluids 36.6%, breakage of lab tube in hand 11.1%, accidental
serum ingestion 2.2%.
Conclusion: The importance of pre-exposure and post-exposure prophylaxis are confirmed by the
study results.