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“Clearly, the unvaccinated are a threat to themselves,” said Dr. Jeffrey Shaman, an infectious disease specialist at Columbia University. As recently as August, their risk of dying of COVID-19 was six times higher than for people who were fully vaccinated and eight times higher than for people who were vaccinated and boosted, according to the Centers for Disease Control and Prevention.
But, Shaman acknowledged, “the danger to the rest of us is a more debatable issue.”
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About 30% of Americans have yet to complete their initial series of COVID-19 shots, including the 20% who haven't rolled up their sleeves even once. Meanwhile, the virus continues to evolve in ways that erode vaccines' protection, making "breakthrough infections" increasingly common.
The longer the pandemic drags on, the more complicated things get.
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