Twinrix
Twinrix
Twinrix (/ˈtwɪnriks/) is a vaccine used to provide immunity against both hepatitis A and hepatitis B viruses. The name "Twinrix" is derived from the combination of two words: "twin", referring to the dual protection it offers, and "rix", a common suffix in the names of vaccines.
Usage
Twinrix is administered through injection, usually in the upper arm. It is typically given in three doses over a six-month period. The vaccine is recommended for adults and children over one year of age who are at risk of exposure to hepatitis A and B viruses.
Composition
Twinrix is composed of inactivated Hepatitis A virus and recombinant Hepatitis B virus surface antigen (HBsAg). The Hepatitis A component is produced by growing the virus in human MRC-5 cells, while the Hepatitis B component is produced by recombinant DNA technology in yeast cells.
Side Effects
Common side effects of Twinrix include soreness at the injection site, headache, and fatigue. Severe allergic reactions are rare but can occur.
Precautions
People who have had a severe allergic reaction to a previous dose of Twinrix, or any component of the vaccine, should not receive Twinrix. Additionally, people who are severely ill should usually wait until they recover before getting the vaccine.
Interactions
Twinrix can be given at the same time as other vaccines. However, the injections should be given at different injection sites.
See Also
External links
- Medical encyclopedia article on Twinrix
- Wikipedia's article - Twinrix
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