Last week the chief executive of Pfizer said anyone who receives its COVID-19 vaccine. Modernas does better at 30 days while AstraZenecas can last 6 months.
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Once again Pfizers vaccine poses a unique challenge.

Astrazeneca vaccine vs pfizer reddit. The side effects are said to be often more uncomfortable than the Pfizer and Moderna vaccines. Why Pfizer Not AstraZeneca Is The Best Bet For The Long Haul. AstraZeneca has been tested on roughly 40k people while Sputnik V has been tested on 20k people.
Once its out of the deep freeze its only good for 5 days. As shown both Pfizer. Modernas vaccine can be stored in a normal freezer while AstraZenecas can be stored in a regular refrigerator.
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