Workers unload a shipment of AstraZeneca Covid-19 vaccine bearing Covax stickers from a plane at Felix Houphouet Boigny airport of Abidjan on February 26, 2021. SIA KAMBOU / AFP

Workers unload a shipment of AstraZeneca Covid-19 vaccine bearing Covax stickers from a plane at Felix Houphouet Boigny airport of Abidjan on February 26, 2021. SIA KAMBOU / AFP

Workers unload a shipment of AstraZeneca Covid-19 vaccine bearing Covax stickers from a plane at Felix Houphouet Boigny airport of Abidjan on February 26, 2021. SIA KAMBOU / AFP

Workers unload a shipment of AstraZeneca Covid-19 vaccine bearing Covax stickers from a plane at Felix Houphouet Boigny airport of Abidjan on February 26, 2021. SIA KAMBOU / AFP