Preventing postnatal mother-to-child transmission of HIV: context matters.

Greiner (Reference) raises several points regarding the generalisability of the findings of our study( ). In reply, it is important to note 1 that the total number of events, HIV transmissions or deaths, among the HIV-exposed infants were low and this precluded in-depth analyses of some of the questions that Greiner raises. This limitation was acknowledged in both this and earlier reports of the study. We firmly agree that achieving high rates of exclusive breast or replacement feeding are dependent on the measure of support provided to women. However, this should be seen as an opportunity rather than a reason not to attempt to provide such assistance( ). 2