African countries struggled to get vaccines, but now several of them have thousands of expired doses.
And, in late March, one million doses were sold on to the African Union to give to other African countries.Nigeria, meanwhile, said it would be unable to use all the doses in time.The WHO says only Togo and The Gambia have confirmed they used all these doses by the expiry date.What caused delays in using vaccines?
Africa Centres for Disease Control head John Nkengasong says countries need more support to increase the numbers of health workers and obtain supplies, such as personal protective equipment. "The continent as a whole knows how to vaccinate and has been vaccinating for other diseases," he says.For DR Congo, the former Zaire, the problem is not only weak health services but also a very poor transport network - making the delivery of vaccines to remote areas a major issue.
Malawi virologist Gama Bandawe says mistrust of vaccines has played a role in the country being unable to use all the supplies it has received.
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