not everyone in the uk will need a boosterjab. a decision about boosters is expected next week from the advisory body thejcvi, thejoint committee on vaccination and immunisation. 0ur health correspondent katharine da costa reports. while some countries like israel have already started rolling out third doses of covid vaccines, most people in africa are still waiting for their first. the debate on giving boosters or donating more vaccines has ramped up, but one leading scientist says it is not an either/or decision. the problem we really have is that the world needs greater vaccine supply. we need more doses of all of the vaccines that are currently licensed and we need more vaccines to be licensed so we're not talking about choices between vaccinating in one country or another country. the good news is that supply is increasing. data is still being gathered on whether boosters might be needed for everyone, but professor gilbert said there was evidence vaccines