Background information describes acquired immunodeficiency syndrome, its cause, treatment, and prevention. Risk factors for HIV infection are delineated, and ways HIV can and cannot be transmitted are discussed. Legal and confidentiality issues of concern to those working with HIV-infected children are noted. General guidelines cover placement decisionmaking factors, screening, infection control procedures and hygiene, and public education. It is noted that for most HIV-infected children, the risk of HIV transmission is outweighed by the benefits of placement in an unrestricted setting; but that risks and benefits to the infected child and to others must be weighed in each case. Additional guidelines cover school placement of HIV-infected students and placement of children and youth with other infectious diseases. Risk reduction guidelines cover hygiene and provisions for personal and environmental cleanliness, handwashing, techniques for handling body fluids and food and utensils, techniques for storing and cleaning items, waste disposal, and selection of environmental disinfectants and germicidal handwash. Additional information on HIV and occupational safety are appended. 6 references.