Covid: South Africa makes its own version of Moderna vaccine

Scientists in South Africa have made a copy of the Moderna Covid vaccine, a move which they say could help boost vaccination rates across Africa. West African regional bloc Ecowas will deploy troops to Guinea-Bissau to help stabilise the country after this week's attempted coup. The first AU summit since the pandemic began in 2020 kicks off in Addis Ababa this weekend. What's on the agenda?