has been calling out for donations to the covax programme, which would be one way of making sure the vaccines are equally distributed. there are other bilateral deals that might be able to be done. in terms of what you asked about the extension, the duration of the safe use of the vaccine has to be evidence based, not arbitrarily decided to keep the vaccine for longer. as we go forward we learn more about the stability and that is why we are seeing extensions happening. former south african presidentjacob zuma has said he won t turn himself into the south african authorities. he s been sentenced to jail for failing to attend a corruption enquiry while he was president. hundreds of zuma s supporters have formed what they are calling a human shield outside his house to try to prevent his arrest. they re demanding that his successor, president cyril ramaphosa, step down. mr zuma was ordered to present himself to a judge by today after he was given a 15 month sentence for contempt of court