1695-6141 1695-6141 S1695-61412023000300012 10.6018/eglobal.551471 Nigeria Nigeria Nigeria 00 00 2023 00 00 2023 22 71 371 406

1 2018 6 13 13 2 2019 16 2 2 3 2020 20 1 1 1-6 4 2016 4 4 4 204-9 5 2019 85 1 1 6 2020 10 1 1 1-11 7 2020 8 2013 58 11 11 3342-7 9 2019 19 1 1 1-11 10 2020 20 1 1 1-10 11 2016 1 5 5 124-9 12 Centers for Disease Control and Prevention (CDC) 2012 61 RR-3 RR-3 1-2 13 2021 115 10 10 1106-13 14 2019 8 2065 2065 15 2019 4 3 3 240-4 16 2009 12 4 4 17 2018 8 19 19 18 2020 15 12 12 19 1963 2nd ed 20 2019 003 1-8 21 2021 16 10 10 22 2020 12 3 3 23 2020 41 1 1 15-23 24 2020 20 1 1 1-14 25 2001 30 4 4 878-84 26 2012 5 1 1 11-4 27 2010 7 1 1 1-6 28 2018 97 47 47 29 2020 38 3 3 470-81 30 2020