Well there is this: https://uk.reuters.com/article/us-health-coronavirus-vaccines-covax-exc/exclusive-canada-in-talks-to-donate-extra-covid-19-vaccine-shots-to-

Well there is this: https://uk.reuters.com/article/us-health-coronavirus-vaccines-covax-exc/exclusive-canada-in-talks-to-donate-extra-covid-19-vaccine-shots-to-poorer-countries-sources https://uk.reuters.com/article/us-health-coronavirus-vaccine... however I don't know specifically about Africa. I assume they're covered in the umbrella group COVAX which is overseen by the WHO.