In March, Nigeria received about 4 million doses of AstraZeneca/Oxford vaccine, shipped via the COVAX Facility, a partnership between CEPI, Gavi, UNICEF and WHO. The arrival of the vaccines marked a historic step towards the goal to ensure equitable distribution of COVID-19 vaccines globally.
More about this news can be found in the link below
https://www.unicef.org/nigeria/press-releases/covid-19-vaccines-shipped-covax-arrive-nigeria