thank you so much for talking to us about this mohammed ali shaheen joining us on the newshour from dhaka in bangladesh . thank you very much. researchers in the u.k. say they're developing a new covert 1000 vaccine that could replace injections with a nasal spray and make it more available to populations in remote parts of the world al-jazeera zonder simmons has been given access to the laboratories in bristol university where the vaccine is being developed what's going on here could bring a new dimension to the fight against curve it 19 research as a developing a new vaccine that will focus on saliva rather than the bloodstream and they're saying it will be cheap to produce and won't need to be kept at low temperatures this is a global vaccine potentially a bad thing for all in particular they hope to bring a solution to parts of the developing world remote countries and places with extreme temperatures there will be no need for refrigeration and it will be a vaccine that's easy to transport simple to use and cheaper to buy. what's going on here is very different for a start the vaccine