Lets talk first about astrazeneca vaccine issues. First they reported positive results but now theres real questions about whether or not that is true. Where do we stand on that . We are trying to understand the fullness of the data. The positive side, a second form of technology has demonstrated efficacy. 60 or 90 . Its really important because it validates the virus selected to be part of the vaccine. Its the same as this coronavirus platform. The question is, why would a different schedule giving a lowered dose the first dose and a higher dose for a second dose to immunize . Why would that be better giving the same dose twice . Frankly, that something we are trying to understand. Were going to measure the immune response its been in use of two different schedules and see whether there is a better immune response. If there is, i think it will validate the fact that there is a better one and potentially we can modify the trials to introduce this differential scheduling with the lower
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