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Summary
Hepatitis B infections in clinical laboratories were surveyed. While Hepatitis B accounted for 14 cases, the overall attack rate was low, indicating continued vigilance is needed but not alarm.
Area of Science:
- Clinical Pathology
- Infectious Diseases
- Occupational Health
Background:
- Surveys of clinical laboratories are crucial for understanding disease transmission.
- Hepatitis B poses a risk in healthcare settings, necessitating ongoing surveillance.
Purpose of the Study:
- To assess the incidence and attack rates of Hepatitis B in clinical laboratory staff.
- To identify specific laboratory roles with higher infection risks.
Main Methods:
- A questionnaire survey of clinical pathologists and laboratory members.
- Analysis of reported Hepatitis B cases and staff attack rates from 1970-1974.
Main Results:
- Hepatitis B was reported in 14 of 32 cases across 28 laboratories.
- The average staff attack rate was 143 per 100,000, with higher rates in science-biochemists, medical morbid anatomists, and haematology technicians.
- No fatalities and minimal hospital admissions were recorded.
Conclusions:
- Findings underscore the need for continued vigilance and safety precautions against Hepatitis B in laboratories.
- The low severity of reported cases does not warrant widespread alarm but emphasizes consistent adherence to safety protocols.