Vaccinate to prevent hepatitis B.
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Bob
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D006509:Hepatitis B / Q000453:epidemiology / Q000503:physiopathology / Q000517:prevention & control*; D017325:Hepatitis B Vaccines / Q000008:administration & dosage*; D006515:Hepatitis B virus / Q000235:genetics / Q000302:isolation & purification; D006801:Humans; D011330:Prisons; D014481:United States
D017325:Hepatitis B Vaccines