his comments come as one of the scientists who created the oxford astra zeneca covid vaccine warns thatndemic could be even more lethal. professor dame sarah gilbert says funding is needed to make sure we don't lose the advances made in the last two years in how to prepare for a pandemic. our health correspondent, sophie hutchinson, has this report. the leader of the opposition this morning doing his bit to boost boosterjabs seen as the best way to protect people from both the delta and the new variant of omicron. everybody should be doing. i would encourage absolutely everyone who is eligible to come forward and have their booster. don't be taken in by the information come forward, have your booster, think of yourself, think of others, think of your communities. last month we observed surges in cases. one of the lead scientists behind the oxford astrazeneca vaccine warned of the dangers of future pandemics and said the world needed to be more prepared. the truth is, the next one could be worse. it could be more contagious or more lethal, or both. we cannot allow a situation where we ha