viral hepatitis wyoming department of health communicable diseases 307-777-8939
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Viral Hepatitis
Wyoming Department of Health
Communicable Diseases307-777-8939
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Viral Hepatitis
•Can lead to cirrhosis (destruction) of the liver and subsequent liver
cancer
•Leading cause of liver cancer globally
•#1 reason for liver transplantation
•4.4 million Americans are living with chronic hepatitis
•Most don’t know they are infected
•80,000 new infections occur each year
http://www.doctortipster.com/589-hepatitis-symptoms-diagnosis-and-treatment.html
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Viral Hepatitis
•5 types:•Hepatitis A
•Transmitted via fecal oral route•Hepatitis B
•Sexually Transmitted and through blood to blood contact•Hepatitis C
•Transmitted through blood to blood contact•Hepatitis D
•Transmitted through percutaneous or mucosal contact with infected blood, Hepatitis B must also be present, uncommon in US
•Hepatitis E•Transmitted via fecal oral route, uncommon in the US
•Hepatitis A, B and C are the most common
•This presentation will focus on Hepatitis B and C
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Hepatitis B
•Hepatitis B Virus (HBV) is transmitted through:
•Unprotected sexual contact with an infected individual
•Sharing needles or “works”
•Mother to child during birth
•Blood to blood contact
•Sharing razors or toothbrushes with an infected person
•HBV can live outside of the body for up to 7 days
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Hepatitis B•Signs and Symptoms of HBV include:
•Fever•Fatigue•Loss of appetite•Nausea•Vomiting•Abdominal Pain•Dark Urine•Clay-colored stool•Jaundice•Pain in the joints
•Symptoms can last from several weeks to 6 months
•The test for HBV is a blood test
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Hepatitis B
•HBV can become a chronic infection•90% of infants who are infected will become chronic•25%-50% of children aged 1-5 years will become chronic if infected•5% of adults will become chronic if infected
•HBV accounts for up to 4,000 deaths in the US per year:•25% of children who become chronically infected will die prematurely •15% of adults who become chronically infected will die prematurely
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Hepatitis B
•Prevention:•Get vaccinated
•Recommended for all infants at birth and all individuals who have never been vaccinated•Immunity lasts for at least 20 years•Is given in 3 doses
•Properly and consistently using condoms during sex•Not sharing needles or rinse water•Not sharing razors or toothbrushes with an infected person•Using gloves and other protective wear when handling blood or blood products
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Hepatitis C
•Hepatitis C Virus (HCV) is transmitted through:
•Injection Drug Use-sharing needles
•Receiving blood or blood products in the US before 1992
•Infected mother to child transmission
•Unprotected sex with an infected person (uncommon)
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Hepatitis C
•Symptoms:•Fever•Fatigue•Dark urine•Clay-colored Stool•Abdominal Pain•Loss of Appetite•Nausea •Vomiting•Pain in the joints•Jaundice
http://www.sciencephoto.com/media/258960/view
•HCV infection can be confirmed by a blood test
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Hepatitis C
•1 of every 3 injection drug users is estimated to be infected with HCV
•The CDC estimates that 17,000 people become acutely infected with HCV annually in the US
•75%-85% of individuals who get Hepatitis C will subsequently develop a chronic infection
•Approximately 3.2 million people in the US have a chronic Hepatitis C infection
•Of every 100 people that become infected with HCV•75-85 will develop a chronic infection•60-70 will develop chronic liver disease•5-20 will develop cirrhosis over a 20-30 year span•1-5 will die as a consequence of the virus (liver cancer or cirrhosis)
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Hepatitis C
•Treatment for HCV:
•15%-25% of individuals with an acute HCV infection will naturally clear it out of their body
•It is very difficult to “cure” chronic HCV infection and therapy is not always successful at managing the infection
•“Cure” corresponds to a sustained virologic response in which viral loads are undetectable after treatment and the individual is no longer infectious•Combination Therapy
•Ribavirin and pegylated interferon
•All individuals with chronic hepatitis C infection should be vaccinated for Hepatitis A and Hepatitis B to prevent further damage to the liver
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Hepatitis C
•Prevention:
•There is NO VACCINATION for Hepatitis C
•Do not share needles or rinse water
•Wear protective equipment when handling blood or blood products
•Do not engage in unprotected sexual contact with an infected person
http://www.pbs.org/newshour/rundown/2011/07/hepatitis-risk-spikes-for-drug-users.html
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References
Center for Disease Control and Prevention. (2011, September 2). Viral Hepatitis.
http://www.cdc.gov/hepatitis/
Center for Disease Control and Prevention. (2011, April 4). Hepatitis B Information
forHealth Professionals. http://www.cdc.gov/hepatitis/HBV/HBVfaq.htm
Center for Disease Control and Prevention. (2011, August 4). Hepatitis C Information
for Health Professionals. http://www.cdc.gov/hepatitis/HCV/HCVfaq.htm