Iowa reported that 458 new cases of COVID-19 were confirmed in the 24-hour period ending at 11 a.m. Sunday as the seven-day rolling average of new cases in the state inched up to its highest level in over a month.Another seven COVID-19 deaths also were confirmed Sunday, one dating to January.New casesThe new positives reported Sunday bring the total number of cases the state has seen since the beginning of the pandemic to 349,598.