[Risk of hepatitis B in endoscopy personnel]

By anamnestic inquiry and investigation for HBsAg and anti-HBs (RIA) of 120 staff members from 18 endoscopic centers, we found reference to remarkable spread of hepatitis B. Its incidence in endoscopic staff is unambiguously higher than in personal of internal wards. So, 8.3 per cent of endoscopic workers were positive for HBsAg, and anti-HBs was found in 29.7 per cent of them. This study accentuates the high danger by gastro-enterologic patients, who not rarely are HBsAg-positive and infectious. Preventive measures are recommended.