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. 2024 Sep 18;4(9):e0003702. doi: 10.1371/journal.pgph.0003702

Table 3. New infections and vertical transmission rate by scenarios.

Indicator Year
2022 2023 2024 2025 2026 2027 2028 2029 2030
No intervention (SC0) scenario
New child infections due to vertical transmission 8700 (5350–13700) 8300 (5100–13050) 7850 (4800–12350) 7350 (4500–11550) 7000 (4300–11000) 6550 (4000–10300) 6250 (3800–9800) 5900 (3650–9300) 5600 (3450–8800)
Vertical transmission rate (%) 41.9 (25.2–64.6) 40.8 (27.9–58.3) 39.3 (30.8–50.2) 37.6 (28.5–47.4) 36.8 (28.6–47) 35.7 (27.9–46.8) 35.6 (27.8–48.1) 35.5 (27.3–48.3) 35.3 (26.3–46.8)
Status quo (SC1) scenario
New child infections due to vertical transmission 4150 (2550–6500) 3500 (2150–5500) 3300 (2000–5200) 3150 (1900–4950) 2950 (1800–4700) 2800 (1700–4400) 2650 (1600–4150) 2500 (1550–3950) 2350 (1450–3750)
Vertical transmission rate (%) 19.9 (12–30.7) 17.2 (11.8–24.6) 16.5 (12.9–21.1) 16 (12.1–20.2) 15.6 (12.2–20) 15.2 (11.9–19.9) 15 (11.7–20.2) 14.9 (11.5–20.3) 14.9 (11.1–19.7)
Business-as-usual (SC2) scenario
New child infections due to vertical transmission 4150 (2550–6500) 3100 (1900–4850) 2550 (1600–4050) 2250 (1400–3600) 2050 (1250–3250) 1850 (1150–2950) 1700 (1050–2700) 1550 (950–2450) 1450 (900–2250)
Vertical transmission rate (%) 19.9 (12–30.7) 15.2 (10.4–21.7) 12.9 (10.1–16.5) 11.6 (8.8–14.7) 10.8 (8.4–13.8) 10.1 (7.9–13.3) 9.7 (7.6–13.1) 9.3 (7.2–12.7) 9.0 (6.7–11.9)
On-track (SC3) scenario
New child infections due to vertical transmission 4150 (2550–6500) 3200 (1950–5000) 2700 (1650–4250) 2300 (1400–3600) 1850 (1150–2900) 1450 (900–2300) 1400 (850–2200) 1300 (800–2050) 1250 (750–1950)
Vertical transmission rate (%) 19.9 (12–30.7) 15.7 (10.7–22.4) 13.5 (10.6–17.2) 11.6 (8.8–14.7) 9.7 (7.6–12.4) 7.9 (6.2–10.4) 7.9 (6.1–10.6) 7.9 (6–10.7) 7.7 (5.8–10.3)
Fast-track (SC4) scenario
New child infections due to vertical transmission 4150 (2550–6500) 2950 (1800–4650) 2250 (1400–3550) 1650 (1000–2600) 1550 (950–2450) 1450 (900–2300) 1400 (850–2150) 1300 (800–2050) 1250 (750–1950)
Vertical transmission rate (%) 19.9 (12–30.7) 14.5 (9.9–20.8) 11.4 (8.9–14.5) 8.5 (6.4–10.7) 8.2 (6.4–10.5) 7.9 (6.2–10.4) 7.9 (6.1–10.6) 7.8 (6–10.7) 7.7 (5.8–10.3)