Here’s why COVID-19 vaccines like Pfizer’s need to be kept so cold.
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Accessed on 22 November 2020, 1317 UTC.
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HEALTH & MEDICINE
Here’s why COVID-19 vaccines like Pfizer’s need to be kept so cold
Both Pfizer and Moderna built their vaccines on RNA. Freezing them keeps their fragile components from breaking down.
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The Coronavirus Pandemic
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