“…The 47 studies included in this review focused on 17 countries, ordered by number of publications: Nigeria (10 [ 14 – 23 ]), Ghana (7 [ 24 – 30 ]), Uganda (5 [ 31 – 35 ]), Liberia (4 [ 36 – 39 ]), the Democratic Republic of Congo (3 [ 17 , 40 , 41 ]), Ethiopia (3 [ 17 , 42 , 43 ]), Kenya (3 [ 44 – 46 ]), Sierra Leone (2 [ 47 , 48 ]), Zimbabwe (2 [ 49 , 50 ]), Angola (1 [ 17 ]), Botswana (1 [ 51 ]), Cameroon (1 [ 52 ]), Madagascar (1 [ 53 ]), Malawi (1 [ 54 ]), Tanzania (1 [ 17 ]), Togo (1 [ 17 ]), and Zambia (1 [ 55 ]). Four studies examined IDSR strategy on a regional level [ 56 – 59 ] ( Table 1 ).…”