https://www.straitstimes.com/world/united-states/moderna-seeks-us-authorization-for-covid-19-vaccine-booster-shots
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9/1/21 at 10:52pm
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The Straits Times
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hermesauto
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The original Moderna vaccine contains 100 micrograms of mRNA in each shot, as compared to 50mcg in the booster dose.. Read more at straitstimes.com.
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