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Facts over fear: How long will a Covid vaccine be effective and why cold storage is important
Catch up with NBC News Clone on today's hot topic: Mmvo96475717990 - Breaking News | NBC News Clone. Our editorial team reformatted this story for clarity and speed.
AstraZeneca said its Covid-19 vaccine could be up to 90 percent effective in preventing the disease — a third breakthrough in the fight against the pandemic. Dr. John Torres explains why AstraZeneca’s vaccine not needing cold storage is important, and how long a vaccine will likely keep recipients protected against the virus.
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