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flag FDA approves Moderna's lower-dose COVID-19 vaccine for seniors and at-risk adults.

flag The FDA has approved Moderna's new lower-dose COVID-19 vaccine, mRNA-1273, for adults aged 65 and older and individuals aged 12 to 64 with underlying health conditions. flag The vaccine uses only one-fifth of the dose of Moderna's current vaccine, and clinical trials showed it to be safe and at least as effective as the original. flag Both the new and existing Moderna vaccines will be available this fall.

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