State health departments wanting to submit specimens must contact CDC at for approval before shipping specimens to CDC. Pre-vaccination serologic testing is not required to administer hepatitis A vaccine. Vaccinations should not be postponed if vaccination history cannot be obtained or records are unavailable.ĬDC has provided outbreak-specific considerations for hepatitis A vaccine administration and has updated its overall recommendations on the prevention of hepatitis A virus infection in the United States.One dose of single-antigen hepatitis A vaccine has been shown to control outbreaks of hepatitis A.People with chronic liver disease, including cirrhosis, hepatitis B, or hepatitis C.People who are currently or were recently incarcerated.People experiencing unstable housing or homelessness.People who use drugs (injection or non-injection).The following groups are at highest risk for acquiring HAV infection or developing serious complications from HAV infection in these outbreaks and should be offered the hepatitis A vaccine in order to prevent or control an outbreak:. The hepatitis A vaccine is the best way to prevent hepatitis A virus (HAV) infection Since March 2017, CDC’s Division of Viral Hepatitis (DVH) has been assisting multiple state and local health departments with hepatitis A outbreaks, spread through person-to-person contact. However, in the United States, hepatitis A is more commonly spread from person to person. When hearing about hepatitis A, many people think about contaminated food and water.
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