In this week's episode of "The Top Line," we’re looking at what goes into manufacturing and supply of flu vaccines. 

Fierce Pharma’s Zoey Becker chats with Stefan Merlo, vice president of commercial operations, North America at CSL Seqirus. He discusses the company's differentiated flu vaccine portfolio and how its manufacturing process has evolved over the decades to create and distribute vaccines offering targeted protection each year.

To learn more about the topics in this episode: 

• Driving flu vaccine uptake in the post-pandemic era
• Flu vaccine makers CSL Seqirus, Sanofi and GSK kick off initial shipments ahead of upcoming season

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