Opinion: The decline in Covid-19 preceded vaccines. But we need jabs to finish the job

As coronavirus infections decline in the U.S., it seems appropriate to celebrate the triumph of vaccines over viruses. But how much of the credit do vaccines deserve? Less than you might expect.

Don’t get me wrong: I believe in vaccines. I got vaccinated was soon as I was eligible and am 100% behind the goal of getting everyone on the planet vaccinated. Yet there are other factors also at work in quelling a pandemic.

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