The low incidence of hepatitis in the staff of clinical laboratories in Britain was sustained in 1977-78. The attack rate was 29 per 100,000 person years, calculated from eight cases (six of hepatitis B).
The low incidence of hepatitis in the staff of clinical laboratories in Britain was sustained in 1977-78. The attack rate was 29 per 100,000 person years, calculated from eight cases (six of hepatitis B).