| _Hepatitis B Information | ||||||||
|
Many students will be working with human body fluids in DNA laboratories during the course of their educational experience at the The Disease Hepatitis B is a viral infection caused by Hepatitis B Virus (HBV) which causes death in 1-2% of hepatitis patients. Most people with Hepatitis B recover completely, but approximately 5-10% become chronic carriers of the virus. Most of these individuals have no symptoms, but can continue to transmit the disease to others. Some may develop acute or chronic active hepatitis and cirrhosis. HBV also appears to be a causative factor in the development of liver cancer. Thus, immunization against Hepatitis B may prevent hepatitis and also reduce sickness and death from active hepatitis, cirrhosis, and liver cancer. The Vaccine Recombivax HB is a non-infectious subunit viral vaccine derived from Hepatitis B surface antigen (HBsAg) produced in yeast cells. The vaccine is free of association with human blood or blood products. Each lot of vaccine is tested for safety, in mice and guinea pigs, and for sterility. There is no evidence that the vaccine has ever caused Hepatitis B. However, persons who have been infected with HBV prior to immunization may go on to develop clinical hepatitis in spite of immunization. Note that persons with immune system abnormalities have less response to the vaccine, but over half of those receiving it do develop protective antibodies. Full immunization requires 3 doses of vaccine over a six month period. The 2nd injection is received 1 month from the 1st injection, while the 3rd injection is received 5 months from the 2nd injection. Every effort should be made to adhere to this schedule for optimal results. Seven months from the first injection, a Hepatitis B titer is performed to confirm the individual’s immune status. Once vaccination is started, work can commence. However, if an exposure is sustained prior to completion of the series and/or without response to the vaccine, a dose of Hepatitis B immune globulin within 7 days of exposure is recommended. The duration of immunity is unknown at this time. Possible Vaccine Side Effects Recombivax HB is generally well tolerated. No serious adverse reactions attributable to the vaccine have been reported during the course of clinical trials. A few persons experience tenderness and redness at the site of injection. A low grade fever may occur. The most frequent systemic complaints include fatigue, weakness, headache, and malaise. |
||||||||
|
||||||||
|
Marshall University Forensic Science Center
1401 Forensic Science Drive, Huntington, WV, 25701 Telephone: 304-690-4363 Fax: 304-690-4360 Email: forensics@marshall.edu © Copyright 2001-2005. All rights reserved |
|