Coronavirus Omicron LIVE Updates | US reports at least 1.1 million COVID-19 cases in a day, shattering global record Coronavirus Omicron LIVE Updates | The previous record was 1.03 million cases on January 3. A large number of cases are reported each Monday due to many states not reporting over the weekend. The seven-day average for new cases has tripled in two weeks to over 700,000 new infections a day.