A sign directs traffic to a Test Iowa COVID-19 testing site at Waukee South Middle School on July 14.

Iowa is continuing to average more than 500 new coronavirus cases per day, with the state adding 1,561 additional cases to its total between Friday and Sunday.

Nursing homes continue to be hit particularly hard in Iowa, with the number of confirmed COVID-19 infections in those facilities up 47 percent from last week.

On Sunday, three new coronavirus deaths and 471 new infections were reported, according to the New York Times database.

The seven-day average of 506 cases per day represents a decrease of 7 percent from the seven-day average two weeks ago.

On Monday afternoon, the Iowa Department of Public Health was reporting a total of 42,555 cases in Iowa since the beginning of the pandemic, and 833 deaths.

In Polk County, where the city of Des Moines has announced extending the closure of municipal administration buildings through September, the number of newly reported infections during the past seven days totals 712.

There are currently 21 outbreaks in Iowa nursing homes involving 645 individual residents or workers. The number of outbreaks is up 31 percent from the 16 active outbreaks reported seven days ago, and the number of infections associated with those outbreaks is up 47 percent from the 437 cases reported one week ago.

A total of 452 Iowans in long-term care have died of the virus, with 27 of those deaths occurring in the past seven days.

The number of COVID-19 hospitalizations and patients in the ICU is continuing the upward trend that began in late June and early July. As of Monday afternoon, there were 241 Iowans hospitalized, 78 of them in the ICU and 30 who had been admitted in the previous 24 hours.