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Table 3 Projected intervention costs in 2030 (2014 US$)

From: Reducing diarrhoea deaths in South Africa: costs and effects of scaling up essential interventions to prevent and treat diarrhoea in under-five children

  Scenario 1 Scenario 2 Scenario 3
  Total costs Incremental costs Total costs Incremental costs Total costs Incremental costs
WASH       
Improved sanitation 1 304 343 520 (59.6%) 297 114 644 (58.4%) 1 530 490 650 (60.9%) 523 262 424 (62.7%) 1 531 657 562 (57.9%) 524 428 690 (54.4%)
Access to safe water* 735 212 909 (33.6%) 163 366 833 (32.1%) 816 261 686 (32.5%) 244 415 957 (29.3%) 816 884 039 (30.9%) 245 037 965 (25.4%)
Hand washing with soap 4 435 223 (0.2%) 1 988 942 (0.4%) 6 022 585 (0.2%) 3 599 383 (0.4%) 16 126 764 (0.6%) 13 703 561 (1.4%)
Hygienic disposal of children's stools 8 295 509 (0.4%) 2 467 605 (0.5%) 9 847 740 (0.4%) 4 074 817 (0.5%) 16 126 764 (0.6%) 10 353 840 (1.1%)
Sub total 2 052 287 161 (93.8%) 464 938 024 (91.5%) 2 362 622 661 (94%) 775 352 580 (92.9%) 2 380 795 129 (90.1%) 793 524 057 (82.3%)
Non-WASH       
Treatment for moderate acute malnutrition 25 051 124 (1.1%) 11 841 473 (2.3%) 37 300 440 (1.5%) 24 205 350 (2.9%) 123 459 675 (4.7%) 110 364 586 (11.4%)
Therapeutic feeding - for severe wasting 34 412 469 (1.6%) 4 719 079 (0.9%) 40 369 964 (1.6%) 10 934 337 (1.3%) 61 670 496 (2.3%) 32 234 868 (3.3%)
Breastfeeding 36 424 280 (1.7%) 26 620 116 (5.2%) 36 080 948 (1.4%) 26 369 276 (3.2%) 36 081 673 (1.4%) 26 370 002 (2.7%)
Zinc - for treatment of diarrhoea 16 296 788 (0.7%) 4 045 301 (0.8%) 16 378 662 (0.7%) 4 236 493 (0.5%) 23 874 604 (0.9%) 11 732 435 (1.2%)
Rotavirus 16 171 464 (0.7%) −4 090 655 (−0.8%) 12 644 055 (0.5%) −7 442 129 (−0.9%) 7 898 913 (0.3%) −12 187 271 (−1.3%)
Vitamin A supplementation 6 205 260 (0.3%) 484 905 (0.1%) 7 018 875 (0.3%) 1 318 815 (0.2%) 8 272 412 (0.3%) 2 572 352 (0.3%)
Antibiotics - for treatment of dysentery 657 076 (0.03%) 80 262 (0.02%) 760 948 (0.03%) 189 187 (0.02%) 1 079 560 (0.04%) 507 799 (0.1%)
Oral rehydration solution 840 507 (0.04%) −282 589 (−0.1%) 619 551 (0.02%) −493 656 (−0.1%) 273 673 (0.01%) −839 535 (−0.1%)
Sub total 136 058 968 (6.2%) 43 417 892 (8.5%) 151 173 443 (6%) 59 317 673 (7.1%) 262 611 005 (9.9%) 170 755 236 (17.7%)
Total costs 2 188 346 129 (100%) 508 355 915 (100%) 2 513 796 104 (100%) 834 670 254 (100%) 2 643 406 134 (100%) 964 279 292 (100%)
Costs per capita 41 9 47 15 49 18
  1. *Access to safe water includes both an improved water source and a water connection in the home.