Median length of the longest stock-out in the past year for HIV test kits and maternal and infant antiretroviral drugs in the study of implementation of PMTCT guidelines for HIV in rural Malawi, South Africa and United Republic of Tanzania, 2013–2016
ARV: antiretroviral drugs; HIV: human immunodeficiency virus.
Note: Data were missing from Kisesa in round 2 and Agincourt in round 1.