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. 2023 Nov 12;23:2227. doi: 10.1186/s12889-023-17141-1

Table 2.

AFP surveillance indicators performance in Zambia from 2015–2021

Indicators Target 2015 2016 2017 2018 2019 2020 2021
Number of AFP cases reported - 234 239 287 199 232 294 230
Annualised NPAFP ratea  ≥ 2 6.4 3.4 4.6 3.4 3.9 4.7 4.1
% Stool adequacy  ≥ 80% 86.8% 88.3% 90.2% 85.9% 84.5% 71.1% 70.9%
% achieved both core indicators  ≥ 80% 20% 20% 40% 26% 25% 22% 13%
% Of cases notified ≤ 7 days of onset of paralyses  ≥ 80% 77.9% 73.7% 74.6% 71.7% 70.1% 58.5% 57.8%
% Of cases investigated ≤ 48 h of notification  ≥ 80% 87.6% 96.7% 91.6% 91.0% 91.4% 92.9% 97.4%
% Of specimen arriving in the lab ≤ 3 days  ≥ 80% 93.6% 95.0% 90.6% 97.0% 94.0% 94.5% 90.4%
% Arriving in lab in good condition  ≥ 80% 85.5% 88.7% 90.2% 84.4% 82.3% 71.3% 70.0%
% Of AFP cases with 60-days follow-ups  ≥ 80% 13.7% 9.6% 10.5% 18.1% 0.9% 28.2% 15.2%

AFP Acute Flaccid Paralysis, NPAFP non-polio acute flaccid paralysis

aThe rate is per 100,000 population of children under 15 years of age