A small-but-growing body of research suggests the highly contagious delta variant raises your risk of serious illness, but it's tough to know for sure if it's the root cause of more severe COVID-19, both researchers and outside experts say.
The latest findings out of Singapore, published this week in the peer-reviewed medical journal Clinical Infectious Diseases, involve a comparison between 829 hospitalized patients infected with one of three variants of concern — including delta — and 846 patients admitted to hospitals with the original coronavirus strain in early 2020.
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Does delta cause more severe COVID-19? Here's what we know — and don't | CBC News
