title: CDC issues guidance for HIV patients regarding H1N1 flu virus.
mesh_terms: D002487:Centers for Disease Control and Prevention, U.S.; D017408:Guidelines as Topic; D015658:HIV Infections / Q000150:complications* / Q000821:virology; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000302:isolation & purification*; D007251:Influenza, Human / Q000150:complications / Q000276:immunology / Q000517:prevention & control*; D014481:United States