COVID-19 Vaccine Strain Updates Don’t Exactly Fit Flu Model

 
• By Derrick Gingery

Manufacturers have different production timelines and US FDA advisory committee members worry a June strain selection may not fit the timing of COVID-19 case surges.

COVID-19 vaccine vials
The FDA's preferred June timeline for strain selection may not allow Novavax to have an updated shot available by the start of a September vaccination campaign. • Source: Shutterstock

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