CD4 and tuberculosis: Only 2/13 (1 on-site), 3/24 (1 on-site) and 1/21 (off-site) facilities across all facility levels in Malawi, Uganda and Zimbabwe respectively had regular access to viral load testing and all testing was in selected patients, notably patients with signs of treatment failure (CD4 or weight loss) or patients with TB (Figure 2 and Table 5).