Examples of GRID3 maps produced for COVAX interventions in Nigeria
The maps display the locations of vaccination sites and their surrounding 2, 5, and 10km areas, which is needed to determine the vaccination strategy. They also show the locations of other healthcare facilities and infrastructure (such as schools, prisons, and internally displaced persons’ camp survey points), settlement names, as well as gridded population estimates. These maps also include tables summarising total population per ward (the smallest administrative unit in Nigeria), total population for those 50 years or older (who will be targeted in the second phase of the vaccination process), as well as comorbidity risk1 per ward.
“As of 22 March, the effort to fully vaccinate the eligible population has commenced in over 33 states and the Federal Capital Territory, while 4 States – Kogi, Kebbi, Zamfara, and Oyo – have yet to begin implementation. The GIS maps distributed across the 774 LGAs are very useful to the health workers for an effective microplanning process as we advance to the next phases of the COVID-19 vaccination, targeting the elderly that are 50 years and above, people with comorbidities, and the rest of the population. The maps provide the population estimates at a very granular level where the target groups will be reached. In collaboration with GRID3 Nigeria, the NPHCDA also deployed the Geospatial Tracking System (GTS) to track state supervisors on the field to ensure team performance, accountability, and coverage, making sure that the target populations are vaccinated,”
states Dr Faisal Shuaib, Executive Director/CEO of NPHCDA.
Based on national vaccination strategies, these maps can be used to shape registration plans and identify eligible populations, determine vaccination supply-chain requirements in a given LGA (e.g. vaccines, number of teams for house-to-house registration and vaccinations, number of devices, PPEs and other supplies), or be used to inform the location of additional vaccination sites or temporary fixed posts. In addition, the maps can help pinpoint wards that have the highest comorbidity risks and require special teams deployment.