French researchers say using caesarean-sections during birth coupled with the HIV -fighting drug AZT could nearly eliminate transmission of the AIDS virus from mother to child. Two studies released on Saturday and to be presented at the 12th World AIDS Conference in Geneva show the rate of mother-to-infant transmission plummeting to 2 per cent and, in the some cases, lower than 1 per cent when the caesarean-section is used with AZT therapy.