1. CDC. Provisional Public I-Iealth Service inter-agency recommendations for screening donated blood and plasma for antibody to the virus causing acquired immunodeficiency syndrome. MMWR 1985;34:1–5
2. Ward J, Holmberg SD, Allen JR, et al. Human immunodeficiency virus (HIV) transmission by blood transfusions screened negative for HIV antibody. N Engl J Med 1988;318:473–478
3. CDC. Additional recommendations to reduce sexual and drug abuse related transmission of human T-Iymphotropic virus type III/lymphadenopathyassociated virus. MMWR 1986;35:152–155
4. CDC. Public health service guidelines for counseling and antibody testing to prevent IIIV infection and AIDS. MMWR 1987;36:509–515
5. CDC, Revision of the CDC surveillance case definition for acquired immunodeficiency syndrome. MMWR 1987;36:1–15S