How Covid-19 Delta infection, including ICU risk and death, compares to other variants

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Crispin la valiente

A few months ago, the Delta coronavirus variant – which was first identified in India, and quickly spread to more than 100 other countries across the globe – was identified as highly contagious.

Since then, research has been ongoing to determine how infection with this variant differs from that of other variants of concern (VOCs), including Alpha (first identified in the UK); Beta (first identified in SA); and Gamma (first identified in Brazil).

A new study from Ontario, Canada, sheds light on this issue and shows just how virulent (the ability to cause harm to a host) it is.  

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