Mark Gongloff, Columnist

What If Your Fourth Covid Shot CouldĀ Last Forever?

Instead of cooking up a new vaccine for each new variant, we could make one vaccine for all the variants.

What if all you needed was one more dose?

Photographer: Justin Tallis/Getty Images Europe

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Back in August, this newsletter joked about Covid dragging into 2025, because what could be funnier than an endless pandemic, am I right? (The answer is everything: Everything is funnier than an endless pandemic. Eczema is funnier than an endless pandemic.) Then last month, Pfizerā€™s CEO said he expected the Covid pandemic to drag into 2024, but he was not joking.