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Pfizer Documents Released PDF , Pfizer Documents Released PDF Download , Pfizer Documents Released PDF Download for free using the direct download link given at the bottom of this article. Pfizer Documents Released PDF Details , You can download Pfizer Documents Released PDF by clicking on the following download button. Pfizer Documents Released PDF Download Link , we are providing Pfizer Documents Released PDF to all of you. Assuming a COVID-19 attack rate of 1.3% per year in the placebo group, accrual of 164 first primary-endpoint cases within 6 months, an estimated 20% nonevaluable rate, and 1:1 randomization, the BNT162b2 vaccine candidate selected for Phase 2/3 is expected to comprise approximately 21,999 vaccine recipients. This is the number of participants initially targeted for Phase 2/3 and may be adjusted based on advice from DMC analyses of case accumulation and the percentage of participants who are seropositive at baseline. Dependent upon the evolution of the pandemic, it is possible that the COVID-19 attack rate may be much higher, in which case accrual would be expected to be more rapid, enabling the study’s primary endpoint to be evaluated much sooner.