October 2019 Senegal and The Gambia |
January 2020 Ghana and Mali |
March 2020 Cote d'Ivoire and Sierra Leone |
May 2020 Sierra Leone and Liberia |
July 2020 Nigeria and Cameroon |
October 2020 Sierra Leone and Guinea |
January 2021 Kenya and Tanzania |
March 2021 Ghana and Sierra Leone |
May 2021 South Africa and Zimbabwe |
July 2021 Ethiopia and Uganda |