The average number of daily confirmed coronavirus cases in the United States hit a record high of 258,312 over the past seven days, a Reuters tally showed on Wednesday, as U.S. officials weigh the impact of the more transmissible Omicron variant. The previous peak for the seven-day moving average was 250,141 confirmed cases recorded on Jan. 8 of this year. Daily records were broken this week in at least seven European nations. read more The surge comes as Americans travel over the holidays. Hundreds of flights have been canceled across the country each day since Christmas as airline staff test positive for the coronavirus. The U.S. Centers for Disease Control and Prevention (CDC) said it was monitoring 86 cruise ships that have reported COVID-19 cases. While some data from other countries showed less disease with Omicron, it was too early to gauge the impact across […]