REPORT DIMS HOPE FOR AIDS THERAPY TO PROTECT BABIES
United Nations-sponsored study finds that while a simple drug regimen can stop many mothers with HIV from infecting their children during pregnancy and childbirth, the protection does not last for as long as experts had hoped and that the therapy appears to leave children vulnerable to infection from breast milk; finding safe alternatives to breast-feeding is daunting challenge in Africa, where overwhelming majority of women breast-feed their infants for long periods; findings are certain to renew often bitter controversy over breast-feeding (M)