talking about the issue yesterday and the fact that they've been preparing on the supply side of things for months now, and that's despite the fact that public health officials have said the vaccine is effective against the delta variant and other mutations but clearly the white house and the covid-19 team has had contingency plans in place. what we are expecting today is some sort of justification for why an eight-month time line for getting a booster shot after that second dose. we know there's been some red flags certainly in terms of studies internationally. israel for example would be one thing to look at where we saw 65 and older, those individuals who got their dose second dose in january see an efficacy rate of 55% for preventing severe disease. that was alarming to many folks including those in the nih. of course, there was a mayo clinic study recently that showed that pfizer was down to 42% effectiveness against the delta variant, but experts tell us, today, steph, it is very likely if not a slam dunk that the cdc will be presenting new information about the waning efficacy of the vaccines and