Question: Delta variant: What is it and how serious is it from the other variants?

Delta variant, or B.1.617.2, was first identified in India in December 2020. Within a matter of months, the Delta variant spread to over 98 countries around the world, now the dominant variant in more than a dozen countries, including India, Scotland, the U.K., Israel and the United States.

What is clear is that the majority of hospitalizations and COVID-19-associated deaths in the U.S. are occurring within unvaccinated populations, leading to a chilling warning from CDC director Dr Rochelle Walensky that “this is becoming a pandemic of the unvaccinated.”

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