What is hepatitis A vaccine, inactivated?

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Hepatitis A vaccine, inactivated, is used to prevent hepatitis A infection. Hepatitis A is a serious disease that affects the liver and can lead to cirrhosis, liver cancer and even death. Hepatitis A vaccine contains inactivated or dead hepatitis A virus particles. When these virus particles are injected into the body, the immune system responds by producing natural antibodies against the hepatitis A virus. Hepatitis A vaccine is administered as a series of two injections given by a healthcare professional at a hospital or clinic. After the first injection, a second dose is given six to 12 months later. Hepatitis A vaccine is recommended for all children between age 12 to 24 months of age and adults who are at an increased risk for hepatitis A infection. People at risk may include healthcare workers, lab workers, people who use intravenous drugs and people traveling to areas where hepatitis A is common.

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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.