Infrastructural and human-resource factors associated with return of infant HIV test results to caregivers: secondary analysis of a nationally representative situational assessment, South Africa, 2010

turn-around times, laboratory transportation system, prevention of mother-to-child transmission (pmtct), south african programme to prevent mother-to child hiv transmission (sapmtcte), human immunodeficiency virus (hiv), south africa (sa), turnaround-time (tat), early infant diagnosis (eid)