Reuters led the nation in the past week with more than 8,000 or more than 116% of cases, according to state and county reports. At the same time, the positive test rate in Iowa increased from 13% to 24% the following week.
South Dakota has the next highest positive rate of 23%, followed by North Dakota at 20%. The World Health Organization states that at least 25 states reported positivity rates above 5%, as it suggests that more cases are yet to come.
South Dakota attracted hundreds of thousands of people at the annual rally in Sturgis from 7 to 16 August. The South Dakota Health Department said 105 cases of the incident had been traced.
(Https://tmsnrt.rs/2WTOZDR open in an external browser for Reuters interactive graphic)
Nationally, the number of new cases fell 2% last week, dropping in the sixth week, but the number of new infections is still more than 41,000 a day.
The total US COVID-19 deaths last week were down 7% from the previous week and an average of 900 deaths a day.
The United States tested an average of 715,000 people last week, a day ahead of 685,000 people in the first week, but below the July peak of more than 800,000 people a day.
According to the data, the share of all tests that came back positive for the new virus fell to 5.8% in the fourth week, down from 6.3% the previous week and around 9% in mid-July. An effort by a volunteer to track the outbreak, from the COVID tracking project.
(Written by Lisa Shumaker; Graphic by Chris Canipe; Editing by Howard Goler)