On this edition of Africa 54: Guinea's junta leader Mamady Doumbouya has urged heads of political parties to "not repeat the errors of the past" at the start of a week of discussions aimed at forming a transitional government; With kidnapping and violent attacks rampant in northern Nigeria, some civilians have grown impatient with security forces and have taken up arms themselves; & a tech transfer hub that aims to produce COVID-19 vaccines for Africa will replicate Moderna's mRNA shot - but faces an uphill battle as talks with the U.S. company have not yielded results.