Macomb County Communicable Disease Indicators
Number of chronic cases of hepatitis B
Current Value
53
Definition
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Story Behind the Curve
The risk for chronic hepatitis B infection is directly related to the age at which an individual is infected. Infants infected from their mothers during birth have upwards of a 90% risk of developing chronic hepatitis B later in life. Adults infected with hepatitis b have a much lower risk of around 5%.
The number of cases of chronic hepatitis B cases in Macomb County has been relatively stable in the last 5 years.
Hepatitis B vaccination has been available since 1981 and routine hepatitis B immunization for all infants in the U.S begin in 1991.
Data source: Michigan Disease Surveillance System