Prognosis

Moderna’s Flu Vaccine Stalls at FDA Despite Need for Better Shot

Regulatory requirements change as anti-vaccine movement grows
Vaccine work done at Moderna’s headquarters in Massachusetts.Photographer: Adam Glanzman/Bloomberg
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Hi, it’s Gerry and Bob in New York. Your chances of getting a powerful new weapon against the flu just got slimmer. More on that in a moment, but first ...

It’s been a brutal flu season. The virus has made at least 22 million Americans sick, sent more than 280,000 to the hospital and killed at least 12,000 people. Doctor visits for flu-like illnesses in the US are at their highest level in nearly three decades. It’s been so bad partly because the current vaccines aren’t well-matched to the strain going around.