Getting sick with the Delta variant doubles hospitalization risk compared with Alpha, a large study of mostly unvaccinated people shows

Clinicians work on intubating a COVID-19 patient.
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The Delta variant doubled the risk of hospitalization compared to the formerly-dominant Alpha variant.
About 74% of people in the UK-based study were unvaccinated, and few were fully vaccinated.
The study authors said it was "crucial" to get people fully vaccinated to protect against Delta.
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People who get sick with the Delta variant of the novel coronavirus have more than twice