[1] WHO, SPECIAL PROGRAM AIDS, CH-1211 GENEVA 27, SWITZERLAND
[2] NIAID, IMMUNOREGULAT LAB, BETHESDA, MD 20205 USA
[3] CTR DIS CONTROL, CTR INFECT DIS, DIV PARASIT DIS, ATLANTA, GA 30333 USA
[4] MINIST PUBL HLTH & SOCIAL AFFAIRS, PROJECT SIDA, KINSHASA, DEM REP CONGO
[5] MAMA YEMO HOSP, DEPT PAEDIAT, KINSHASA, DEM REP CONGO
[6] BELGIAN ZAIRIAN TECH COOPERAT, ANTWERP, BELGIUM
[7] INST TROP MED, ANTWERP, BELGIUM
[8] MAMA YEMO HOSP, OUTPATIENT CLIN, KINSHASA, DEM REP CONGO