Table 1: Air passengers Risk of Exposure to spread of covid-19 disease on infective pathways between airports and WRBE in states.
| Airport To-And-Fro City Center Infective-Pathway(S) | Risk of Exposure to covid-19 (Human-infective carriers/square km) |
| Lagos airport (MMIA) to-and-fro City center and suburbs | 19.7 |
| Abuja airport (NAIA) to-and-fro Abuja city center and suburbs | 1.50 |
| Enugu airport (AIIA) to-and-fro Enugu city center and suburbs | 5.66 |
| Port-Harcourt airport to-and-fro PH city center and suburbs | 2.02 |
| Kano airport (AKIA) to-and fro Kano city center and suburbs | 119.6 |
| Calabar airport (MEIA) to-and-fro calabar city center and suburbs | 0.26 |
| Kaduna airport to-and-fro Kaduna urban center and suburbs | 1.18 |
| Bauchi airport (ATBIA) to-and-fro Bauchi urban center and suburbs | 1.07 |
| Maiduguri airport to-and-fro urban center and suburbs | 5.10 |
| Sokoto airport (SSAA) to-and-fro urban center and suburbs | 0.65 |
| Jos airport (YGA) to-and-fro Jos City center and suburbs | 0.59 |
| Yola airport to-and-fro City center and suburbs | 100 |
| Bini Kebbi airport (KIA) to-and-fro urban center and suburbs | 0.13 |
| Asaba airport to-and-fro city center and suburbs | 25.78 |
| Owerri airport (SMIA) to-and-fro City center and suburbs | 0.61 |
| Gombe airport (GLIA) to-and-fro urban center | 0.59 |
| Minna airport to-and-fro City center | 1.25 |
| Uyo airport to-and-fro urban center and suburbs | 0.15 |
| Katsina airport to-and-fro City center and suburbs | 9.85 |
| Makurdi aairport to-and-fro city center and suburbs | 1.61 |
| Ibadan airport to-and-fro city center and suburbs | 24.45 |
| Jalingo airport to-and-fro City center | 0.17 |
| Akure airport to-and-fro urban center and suburbs | 2.80 |
| Benin airport to-and-fro City center and suburbs | 97.63 |
| Ilorin airport to-and-fro urban center and suburbs | 3.73 |
Source: Authors Calculation.