Did Pfizer Just Leap Ahead of Moderna in This Key Market?

When we think of halting the coronavirus pandemic, we think of vaccination. And when we think of who to vaccinate, we think of adults. Older adults, in particular, have been most vulnerable to the coronavirus. The U.S. Food and Drug Administration has authorized three vaccines -- those from Pfizer (NYSE: PFE), Moderna (NASDAQ: MRNA), and Johnson & Johnson. And the U.S. has fully vaccinated 21% of the adult population so far.

This is great. But it's important to vaccinate another part of the population to reach herd immunity. I'm referring to children and teens. Pfizer and Moderna are testing their vaccines in both groups. But Pfizer this week took a step that might push it ahead of Moderna.

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Source Fool.com