mRNA cancer vaccine succeeded in Phase 3 melanoma trial, Moderna and Merck say
The vaccine reportedly thwarted the cancer's return and spread.
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The vaccine reportedly thwarted the cancer's return and spread.
Moderna's new flu vaccine, mFLUSIVA, is approved for all adults ages 50 and up.
In February, a Trump official refused to review the vaccine.
Amid a raging Ebola outbreak, officials "urgently accelerate development" of vaccines.