IOWA CITY — Over the last two weeks, the University of Iowa has received more than 450 complaints related to violations of the campus’ COVID-19-related student safety expectations – including seven reports of failure to isolate or quarantine following a positive test or close contact with a confirmed case.And Iowa City police over the weekend handled a rash of loud party, noise, and COVID-19-related complaints as the UI tally of coronavirus cases topped 2,000 since Aug.