World News for Students of English

04-02-2022 07:00

Nigeria destroyed a million doses of expired COVID-19 vaccines, and officials told a worried public that expired vaccines were no longer in circulation.

People were very scared to get the vaccines close to expiry, and health authorities published videos which showed that the expired doses were destroyed last month. The video gave Nigerians confidence to get their shots.

Nigeria, like other African countries, at first struggled to get doses because rich countries demanded the limited supplies. Individual countries later donated some doses, and some also arrived through a global sharing plan. However, the vaccines had a very short shelf life, which left only weeks to give them.

Nigeria won’t do this again, and public health organizations already called for donated vaccines to come with a shelf life of three to six months.

Difficult words: circulation (when something is available to the public), expiry (the end of the period for which people can do or use something), shelf life (the length of time for which people can use or sell something).

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