potentially make therapies out of. so what the scientists have done is they have worked with eight llama named devey who lives in a facility at the university of reading. they ve her a vaccine and come back later and taken a sample of her and saying in saints these nano batteries that are responded to this vaccine against covid 19. then date look at the example of the blood and they pick out the ones that match they pick out the ones that match the virus most closely, the ones that bind to the virus most tightly and therefore potent covid neutralising agent for that when they ve given that as a therapy, they ve given that as a therapy, they develop that into a therapy and when they ve given that as a nasal spray to laboratory animals and the barbara terry road as they recovered from covid infection within a few days or actually prevented covid infection in the first place when they sprayed into their respiratory tract. this is very early days, it s early stage animal trials but the hop