Questions Surround Omicron's Relationship With Long-Haul COVID

Long-haul COVID is described as having symptoms more than months after an initial infection.

The U.S. is now averaging nearly 600,000 new cases of COVID infections per day, meaning millions of people are getting infected with the virus.

The Omicron variant is sweeping across the nation, prompting long lines at COVID testing sites.

So far, the Omicron variant appears to be more mild than previous variants, and there are fewer hospitalizations and deaths from it.