Delta COVID-19 variant ‘greatest threat’ to U.S. pandemic response: Fauci

U.S. infectious disease expert Dr. Anthony Fauci said on Tuesday that the Delta variant of the novel coronavirus that was first found in India is the “greatest threat” to the United States’ effort to eradicate COVID-19. “The transmissibility is unquestionably greater” in the Delta variant, Fauci said, adding that “it is associated with an increased disease severity.”

• U.S. will not return to COVID-19 lockdowns despite Delta variant risks, Fauci predicts
• Canada extends ban on flights from India to Aug. 21 due to Delta variant fears
• ‘Delta plus’: India declares new COVID-19 variant to be of concern