virus and the answer as well as drugs and therapy will be vaccinations. so he just dangled the idea of would pushing people toward something that may be mandatory for the population as a whole, but that clearly would go against libertarian instincts of a lot of politicians. it's not on the table on the agenda in the moment in the uk, but it's not far off. thank you. joe biden talked very big about the importance of vaccinating the world and when he talked about the us being an arsenal of vaccines, how has that worked out? it is mixed. i think he did it with good intention and the challenge is that the moderna and pfizer vaccines require a big freeze in order to travel in developing countries and countries in africa for example don't have the infrastructure to distribute it