The Hill reports:
The first coronavirus vaccine shots administered across the country have raised hopes for a breakthrough in the fight against COVID-19, but experts are now raising an even more hopeful possibility: that people might only need one shot instead of the current two-dose regimen.
The prospect would effectively double the number of vaccine doses available and allow more people to be vaccinated quickly. But the idea has set off a debate, with experts saying there isn’t enough evidence yet to justify a single dose and people should plan to get two doses.
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