with that, we say good evening and thank you for joining us, i'm dion lim. the omicron variant is fueling the latest surge in covid cases. in developing news, abc news reporter marcus moore has expert advice on how to handle the holidays. marcus: president biden will deliver a speech on tuesday to address the omicron variant as the country faces another unrelenting surge in covid cases. the u.s. now averaging more than 125,000 new cases every single day. at the end of october, the nation was averaging about half that, 64,000 new cases per day. demand for testing is on the rise. long lines outside testing centers across the country. >> as we go into the holiday season, testing is really important so that people can gather safely. marcus: the latest surge is being driven by the omicron variant which seems to be accelerating in its had spread across the country and is said to be the dominant variant in the u.s. >> it's shaping up to be a hard winter. we're going to see huge case numbers that will probably exceed the 250,000 a day that is