The Jab: What’s the best vaccination strategy?
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The Jab: What’s the best vaccination strategy?

Getting vaccine regimens right is a matter of life and death. We investigate new research that could shape how jabs are rolled out.

The Oxford Vaccine Group’s Matthew Snape says mixing vaccines could boost immunity, and Zeke Emanuel of the University of Pennsylvania explains why second doses should be delayed. Also, we ask Leana Wen of George Washington University whether children should be offered the vaccine.

Alok Jha and Natasha Loder are joined by Slavea Chankova, The Economist’s health-care correspondent.

For full access to The Economist’s print, digital and audio editions subscribe at Sign up for our new weekly science and data newsletters at and

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