<prompt> An HIV-positive patient with a viral load of 100,000 copiesmL of HIV RNA and a drop in his CD4 T-cell count from 240 to 50mL has been diagnosed with Pneumocystis jiroveci pneumonia. Which of the following is the best description of the stage of this patients HIV disease?HIV infection, stage 1HIV infection, stage 2HIV infection, stage 3 AIDSHIV infection, stage unknown  <response>: Current criteria for HIV infection require a positive result from an HIV antibody screening test confirmed by a positive result from a western blot or indirect immunofluorescence assay for HIV antibodies; or a positive result or report of a detectable quantity of HIV nucleic acid, HIV p24 antigen, or HIV isolation stylefont-size: 1.04761904761905em; font-family: Times New Roman, Times, serif. Then, as stated in the revised case definitions: A confirmed case meets the laboratory criteria for diagnosis of HIV infection and one of the four HIV infection stages stage 1, stage 2, stage 3, or stage unknown. The stages are outlined in the table below.STAGES OF HIV INFECTION AS CURRENTLY DEFINED BY CDCCD4T-lymphocyteStageCount of Total LymphsAIDS-DefiningconditionaHIV Infection, Stage 1500cellsmL29NoneHIV Infection, Stage 2200-499cellsmL14-28NoneaHIV Infection, Stage 3 AIDS200cellsmL14NoneorPresentaHIV Infection, Stage UnknownNo information availableNo information available aThe presence of an AIDS-defining condition moves the stage to 3 even if the CD4 count is higher. See stylefont-size: 1.04761904761905em; font-family: Times New Roman, Times, serif for a list of AIDS-defining conditions. 