PCP prevention--more cases of resistance to sulfa drugs.
D017088:AIDS-Related Opportunistic Infections / Q000382:microbiology / Q000517:prevention & control*; D018791:CD4 Lymphocyte Count; D004352:Drug Resistance, Microbial; D006801:Humans; D011020:Pneumonia, Pneumocystis / Q000382:microbiology / Q000517:prevention & control*; D015662:Trimethoprim, Sulfamethoxazole Drug Combination / Q000627:therapeutic use*
D015662:Trimethoprim, Sulfamethoxazole Drug Combination