senator. yes indeed there is no doubt that the omicron variant, when you look at the protection against symptomatic disease and asymptomatic infection dramatically goes down to about 30%. what maintains itself, it goes up to about 70 it s about 70% against severe disease. when you boost, when you boost. what happens is you get a rather significant reconstitution of the protection against hospitalization. so if you were to say that omicron or even covid-19 as it is really a pandemic when you are talking about pandemic that causes serious disease, there is no doubt that there is an extraordinary divur against of risk between a vaccinated and an unvaccinated persons. in response to the question