Review Journal

The director of the Centers for Disease Control and Prevention, Dr. Rachelle Walensky, says the strain, formally known as B.1.1.7, is “now the most common lineage circulating in United States.”

The director of the Centers for Disease Control and Prevention, Dr. Rachelle Walensky, says the strain, formally known as B.1.1.7, is “now the most common lineage circulating in United States.”

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