Table 1.

innovative approaches for improving polio surveillance performance in the context of COVID-19, Nigeria 2020

Strategies	Initiation Epi Week
Surveillance contingency plan	Version 1: Week 14 Version 2: Week 18 Version 3: Week 30
Integrating AFP surveillance briefing with nationwide COVID–19 health worker sensitization	Week 18 – 22
State specific toll-free number	Week 20
Weekly AFP WhatsApp video messaging	Week 21
Abridged E-surveillance checklist	Week 21
Weekly SMS reminders to community Informants and surveillance focal persons	Week 22
Abridged ISS checklist	Week 23
DSNO virtual monthly meeting	Week 23
AFP stool specimen transportation Network	Week 23
MTN CallerFeel for polio surveillance	Week 24

Footnote: AFP: Acute Flaccid Paralysis; Epi: Epidemiology; E-Surveillance: Electronic surveillance; SMS: Short message system; ISS: Integrated supportive supervision; DSNO: Disease Surveillance and Notification Officer; MTN: A mobile network carrier in Nigeria