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The Pfizer Covid-19 vaccine may not need to be stored at -70 ° C after all

By Michael le page

Studies suggest that mRNA vaccines can remain stable at higher temperatures than expected

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It may not be necessary to keep the Pfizer vaccine and other similar coronavirus vaccines at -70 ° C, which may make it much easier to spread around the world. Two other teams who use the same mRNA technology for their vaccines have found that they will stay stable for at least three months in a regular refrigerator.

The Pfizer vaccine candidate caused a stir around the world this week when the company announced that it appears to be more than 90 percent effective based on early results. …