Is Omicron Less Dangerous Than Delta? Dr. Anthony Fauci Weighs In - Amanpour and Company [View all]

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The Omicron variant is now the dominant strain of COVID-19 in the United States. Less than a month after the first case appeared, the CDC reports the variant made up more than 70% of all new infections last week. The rapid spread is provoking stark warnings from public health leaders. The White House is sounding the alarm that the unvaccinated will soon overwhelm the country's healthcare system. The European Union has announced that vaccine passports will expire unless people get a booster. As all of this gathers pace, Dr. Anthony Fauci, Chief Medical Advisor to President Biden, has been speaking about the latest details with Walter Isaacson. Originally aired on December 21, 2021.