millions of menkes to think about has always also damaged public trust. well, there reason one element, these is a new pun, d'amico, new virus that behaves in ways that we didn't know until a year ago. and we've been discovering it slowly, slowly by slowly and so science is adopting, enabled, and communicating a valving science is difficult. and that's why i think media scientist critical role to play, to try to explain in very simple terms what is happening and why changes may be happening. but let's be very clear that the physical distancing works. let's be very clear that mosque work. let's be clear that when vaccines will be released by the regulatory authorities, they will be effective and they will be safe. and we need to be clear on what we know. understanding of some things will change as we move along because it's a completely new virus that we are trying to talk role even within a year of experience on the now. yes. why? it's like it's new. it's evolving. i think for a lot of people that's what's most worrying that it is so new that with still d