and then it all it's a to doze vaccine and although there were some side effects some people had sieber and sore arms nonetheless there were no safety signals of note and the larger clinical trial is now started they intend to give this vaccine to about $3000.00 people that is half the people who are actually in and half the people will get the placebo and then they will be followed for period of time to see who didn't get scolded and who will be protected which part of the population will be protected best and exactly how strong will this protection be and of course when you get the vaccine just so many people that should provide a limited reassurance about the bank sings safety. and i earlier this week the president actually spoke about something he titled the aptly operation warp sprint speed to bring the vaccine to market very very quickly what are your concerns or if any about pushing out a vaccine so quickly. well quickly does not mean cutting corners what we're doing in order to do it quickly is do something some won't in your sleep 'd that we used to do sequence for example just