title: Infection control.
mesh_terms: D006509:Hepatitis B / Q000517:prevention & control*; D017325:Hepatitis B Vaccines; D006801:Humans; D017053:Infection Control; D009726:Nurses; D014761:Viral Hepatitis Vaccines / Q000627:therapeutic use*
chemical_list: D017325:Hepatitis B Vaccines; D014761:Viral Hepatitis Vaccines