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].)

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