Could cutting or delaying doses of the COVID-19 vaccine to immunize more people make the pandemic last longer?

If most of the population is vaccinated against COVID-19, then the coronavirus wouldn’t have enough new hosts and the pandemic would burn out. That transformational phenomenon is known as “herd immunity.” But the United States, like so many other countries, has limited vaccine supplies, slower than expected distribution, and relentlessly rising case numbers. That’s why some public health experts are proposing a gamble to achieve widespread immunity as quickly as possible: Instead of the approved regimen of two doses about a month apart, they suggest giving only one dose, or extending the inter…

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HEDGE accordingly