Fig. 1From: Outcomes of prevention of mother to child transmission of the human immunodeficiency virus-1 in rural Kenya—a cohort studyEnrollment for PMTCT care at a rural HIV clinic in Kenya. Infants enrolled between 2009 and 2012, and older than 18 months as at 31 December 2013 (n = 634), were matched to their mothers (n = 458) and used in the main analysis. Infants enrolled since 2006 were included in the description of changes in enrollment and in HIV transmission over the years (n = 1338). PMTCT; Prevention of Mother to Child HIV-1 TransmissionBack to article page