What is the hepatitis A and B combination vaccine?

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The hepatitis A and B combination vaccine is one that's used to prevent both hepatitis A and hepatitis B. Both of these types of hepatitis affect the liver and may cause liver cancer, cirrhosis or even death. The hepatitis A and B combination vaccine is an inactive vaccine, which means it contains dead hepatitis A and B viruses. When these dead viruses are injected into the body, the immune system produces natural antibodies against the viruses that cause these diseases. The hepatitis A and B combination vaccine is taken through a series of injections given by a healthcare professional at a hospital or clinic. After the first injection, one or more "booster" doses are recommended within the next six months. Your dosage and injection schedule will depend on your risk level and other factors considered by your doctor. The hepatitis A and B combination vaccine is recommended for adults who are at an increased risk for these diseases. People at risk may include healthcare workers, lab workers, people who use intravenous drugs, people with multiple sex partners, people who are living with or having sex with a person infected with hepatitis A or B and people traveling or living in areas where hepatitis A and B are common. One brand-name vaccine that protects against hepatitis A and B is Twinrix. Talk to your doctor to determine whether the hepatitis A and B combination vaccine is appropriate for you.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.