Table 2: Travelers' exposure to spread of covid-19 following travel interactions on travel Pathways in Lagos and Abuja to-and-fro other airport Cities in Nigeria.

 travel pathway(s) to-and-fro LAGOS

 Travel pathways to-and-fro Abuja

Lagos

Exposure to spread of covid-19 infection (Human-infective carriers/km2)

Abuja

Exposure to spread of covid-19 infection (human-infective carriers/km2)

Lagos to NAIA Abuja

21.2

Abuja to Lagos

21.2

Enugu

25.36

Enugu

7.16

Port-Harcourt, Rivers

21.72

Rivers, Port-Harcourt

3.52

AKIA, Kano

139.3

Kano

121.1

MEIA Calabar , Cross River

19.73

Calabar, Cross River

1.76

 Kaduna

20.88

Kaduna

2.68

 Bauchi

20.77

Bauchi

2.57

Maiduguri

24.8

Maiduguri, Borno

6.60

Sokoto

20.35

Sokoto

2.15

YGA Jos, Plateau

20.29

Jos, Plateau

2.09

YOLA Airport Adamawa

119.7

Yola, Adamawa

101.5

 Kebbi

19.83

Bini Kebbi, Kebbi

1.63

ASABA Delta

45.48

Asaba, Delta

27.28

 Owerri, Imo

20.31

Owerri, Imo

2.11

Gombe

20.29

Gombe

2.09

MINNA airport, Niger

20.95

Minna, Niger

2.75

Akwa-Ibom, Uyo

19.85

Uyo, Akwa-Ibom

1.65

Katsina airport Katsina

29.55

Katsina

11.35

Makurdi, Benue

20.86

Marhurdi, Benue

2.66

Ibadan, Oyo

44.45

Ibadan, Oyo

25.95

Jalingo, Taraba

19.87

Jalingo, Taraba

1.67

Akure, Ondo

22.5

Akure, Ondo

4.3

Benin, Edo

117.33

Benin, Edo

99.13

Ilorin, Kwara

23.4

Ilorin, Kwara

5.26

Source: Authors calculation.