Why The Covid-19 Vaccines Must Be Kept So Cold - Cheddar Explains

Pfizer and Moderna each recently introduced the first COVID-19 vaccines - and both are over 90% effective. An unprecedented achievement. But it isn’t all roses. These vaccines need to be stored in extreme cold. And that's a huge logistical challenge. So what is it about these vaccines that require such brutal cold?

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Видео Why The Covid-19 Vaccines Must Be Kept So Cold - Cheddar Explains канала Cheddar