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Delta variant of Covid-19 expected to become dominant strain in the United States

The Delta variant of Covid-19 is expected to become the dominant strain in the United States, and it’s further reason why people need to ramp up the vaccination pace, US Centers for Disease Control and Prevention Director Dr. Rochelle Walensky said on Friday. The Delta variant, also known as B.1.617.2, is more transmissible than others […]