Timeline: A year in the COVID-19 vaccine scheme COVAX

FILE PHOTO: A nurse prepares to administer the AstraZeneca/Oxford vaccine under the COVAX scheme against the coronavirus disease (COVID-19) at the Eka Kotebe General Hospital in Addis Ababa, Ethiopia March 13, 2021. REUTERS/Tiksa Negeri

(Reuters) - The World Health Organization (WHO) and global vaccine charities launched the COVAX programme last April to distribute COVID-19 vaccines to some of the world's poorest people.

The scheme, relied on by dozens of poorer countries, has faced setbacks: production glitches, a lack of support from wealthy nations and a recent move by India, the biggest vaccine manufacturer, to curb its exports.