Worker Health Chartbook 2004

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1		Figure 2-10 Estimated number of occupational hepatitis B infections among U.S. health care workers, 1983-1999. Hepatitis B infections include symptomatic and asymptomatic cases. The National Notifiable Diseases Surveillance System (NNDSS) indicates a 96% decline in hepatitis B viral infections among health care workers over a 17-year period-from nearly 11,000 cases in 1983 to fewer than 400 in 1999. (Note: In the mid-1980s, health care facilities began adopting recommended universal precautions against exposure to body fluids. These were followed in 1992 with the OSHA Bloodborne Pathogens Standard [29 CFR* 1910.1030], which required employers to offer hepatitis B vaccinations to exposed workers.) (Source: CDC [2002a].) *Code of Federal Regulations. See CFR in references.
2		Figure 2-11 Incidence rates of hepatitis B infection per 100,000 U.S. health care workers, 1993-1999. The incidence rate (rate of new infections) of hepatitis B infections generally declined about 60% from 1993 to 1999 among U.S. health care workers. These infections include both symptomatic and asymptomatic cases. (Source: CDC [2002a].)
3		Figure 2-12 Distribution and number of documented cases of occupational transmission of HIV among health care workers by occupation, 1981-2002. Among the cases of occupational HIV transmission reported to the HIV/AIDS Reporting System (HARS) from 1981 through December 2002, 57 cases were documented and 139 cases were possible. Most documented cases of occupational HIV transmission occurred among nurses (24 cases or 42.1%) and laboratory workers (19 cases or 33.3%). Among the documented cases of HIV following occupational exposure, 84% resulted from percutaneous exposure. (Source: CDC [2003].)

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