Pneumococcal Vaccine and Routine Pediatric Immunizations in HIV-Infected Children Receiving Anti-HIV Drugs

Inclusion Criteria Patients may be eligible for this study if they: * Are 2 to 18 years of age. * Are HIV-infected. * Have a viral load (amount of HIV in the blood) under 60,000 copies/ml within 30 days of study entry. * Have been on their current anti-HIV drugs for at least 3 months. * Have received 4 or more doses of a pertussis vaccine. * Have received 1 or more doses of measles vaccine unless a CD4 percent or CD4 number ruled out taking the vaccine. (This reflects a change in the CD4 requirement.) * Expect to be able to complete all study injections and follow-up. * Have a negative pregnancy test if able to have children and use effective methods of birth control. * Have parent or guardian's consent if under 18 years of age. * Have received an approved hepatitis B vaccine series. Not required for study entry, but children who have received this vaccine will be studied. * (This study was changed to allow patients who became HIV infected after birth, have a viral load between 30,000 and 60,000 copies/ml, and who have been on their current anti-HIV drugs for 3 to 6 months.) Exclusion Criteria Patients will not be eligible for this study if they: * Had a certain CD4 level before beginning anti-HIV drugs and at screening. * Have received any killed vaccine within 4 weeks, or any live vaccine within 6 weeks, of entering the study. * Have received pneumococcal vaccines or had a reaction to PPV. * Have had an allergic reaction to any measles or hepatitis B vaccines, or to ot…