Kathleen Neuzil vaccine expert at the University of Maryland School of Medicine

The Washington Post obtained an internal CDC document that shows the new COVID-19 Delta Variant appears to cause more severe illness than earlier variants and spreads as easily as chickenpox. The internal federal health document also argues that officials must "acknowledge the war has changed." The “document” is an internal Centers for Disease Control and Prevention slide presentation. It captures the struggle of the nation's top public health agency to […]