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2003 Oregon select reportable disease cases and incidence-Hepatitis B-acute

2003 Reportable Communicable Disease Summary


Report Index

Hepatitis B (acute)

Hepatitis B is a vaccine-preventable viral disease of the liver that occurs when the virus of an infected person passes (through blood, semen, or saliva) into the blood stream of a non-immune person. Percutaneous or permucosal exposures take place when hypodermic needles are shared, when blood splashes into an eye, during sex, by biting, when improperly sterilized injection devices are used for tattooing, body piercing, and acupuncture, and when the baby of a hepatitis B carrier is being born. Acute hepatitis B virus infection (diagnosed by the sero-presence of the IgM antibody to the hepatitis B core antigen [IgM anti-HbcAg]) usually, but not always, causes jaundice. Some infections are mild, even asymptomatic, and may go undetected. Hepatitis B has been vaccine-preventable since 1982 and, to promote universal vaccination and hence protection, was added to the recommended childhood immunization schedule in 1992 with the series starting at birth. Acute hepatitis B in Oregon declined from 1993?1996 ? the very end of a decade-long, 72% decline that started here after the hepatitis B vaccine was licensed in 1982 (hepatitis B declined 76% in the US as a whole over the same period of time). The number of cases leveled off in 1997, to about 150 cases per year.


In 2003, the picture of hepatitis B in Oregon was essentially unchanged. Local health departments investigated and reported 120 acute cases this year; there were nearly twice as many male cases as female cases. Nearly half (45%) of all cases did not have a hepatitis B risk factor identified after intensive probing by local public-health nurses; 41% of those interviewed were IV drug users; the remainder were sexually exposed.


Hepatitis B (acute) by Year
Hepatitis B (acute) by Onset Month
Hepatitis B (acute) by Age and Sex
Hepatitis B (acute): Oregon vs. U.S.
Hepatitis B (acute) by County
AIDS
Campylobacteriosis 
Chlamydiosis 
Cryptosporidiosis 
Escherichia coli O157 infection  
Giardiasis 
Gonorrhea 
Haemophilus influenzae infection  
Hepatitis A 
Current Page: Hepatitis B (acute). Hepatitis B (acute) 
Hepatitis B (chronic) 
Lyme Disease 
Malaria 
Measles 
Meningococcal disease 
Pertussis 
Salmonellosis 
Shigellosis
Early Syphilis 
Tuberculosis 
Tularemia 
Yersiniosis

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Hepatitis B (acute): Summary by Year, by Age and Sex, by County
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2003 Reportable Communicable Disease Summary
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