CDC Bets Vaccine Stability Conditions Will Change, Urges Against Freezer Purchases
Even as Pfizer and Moderna says their vaccines would need to be stored at very low temperatures, CDC official urges delay on equipment acquisition.
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Most vaccines will be distributed centrally by McKesson, but those with ultra-cold storage requirements will be shipped directly from the manufacturer to the vaccination site. Data exchange system will enable public and private databases to talk to each other and help ensure individuals receive timely revaccination with a second dose of the same vaccine regardless of location.
The company is planning a direct-to-consumer education campaign to inform the public about the importance of vaccination.
US FDA officials fear comparator arms would be unwieldy for ongoing trials as they consider alternative methods to measure efficacy if placebo controls can't be maintained for the studies of other candidate vaccines once a product is on the market.