Health autorities in Nigeria receive this day, the first batch of about four million doses of the Oxford-AstraZeneca vaccine.
The stocks were procured through Covax, a UN-backed programme that is trying to ensure Covid-19 vaccines are shared fairly among all countries.
Nigeria is expecting a total of 16 million doses of the vaccine that will be delivered in batches over months.
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The health ministry has tweeted photos of the vaccines arriving at the Nnamdi Azikiwe International Airport in the capital, Abuja.