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CORRECTED-Positive COVID-19 test rates rising in some U.S. Midwest states

(In Sept. 27 story, corrects North Dakota positivity rate to 6% in third paragraph, recasts first paragraph to reflect that)

Sept 27 (Reuters) - The number of tests coming back positive for COVID-19 is rising in several states in the U.S. Midwest as cases and hospitalization also surge in the region, according to a Reuters analysis.

The positivity rate has risen to 26% in South Dakota, up from 17% the previous week, according to the analysis using testing data from The COVID Tracking Project.

North Dakota is averaging 6% of tests coming back positive, and Minnesota and Montana are averaging 7%, but Montana’s positivity rate rose on Sunday to 20%, according to the analysis.

The World Health Organization considers rates above 5% concerning because it suggests there are more cases in the community that have not yet been uncovered.

Several states such as New York, Massachusetts, Vermont and Maine have positive test rates of less than 1%.

At the same time that positive test rates are climbing in the Midwest, cases and hospitalizations are setting records in those states.

In the past week, seven states in the Midwest and western region have reported record one-day rises in new infections - Minnesota, Montana, Oregon, South Dakota, Utah, Wisconsin and Wyoming.

Wisconsin set records for new cases twice last week and is now reporting more new infections each day than Florida. South Dakota set records for new cases three times last week. While a recent increase in testing might explain some of the increase in cases, hospitalizations have also surged in the Midwest and are not influenced by the number of tests performed.

Wisconsin’s hospitalizations set new records seven days in a row last week, rising to 574 on Saturday from 362 a week ago. South Dakota’s hospitalizations have set records six of the last seven days, rising to 216 on Sunday from 170 seven days earlier. Wyoming and North Dakota also had record numbers of COVID-19 patients in their hospitals last week.

All Midwest states except Ohio reported more cases in the past four weeks as compared with the prior four weeks, according to a Reuters analysis.

The United States is reporting 46,000 new infections on average each day, compared with 40,000 a week ago and 35,000 two weeks ago. (Graphic: tmsnrt.rs/36aMV0o)

Deaths have generally been trending downward in the United States for about six weeks. Deaths are a lagging indicator and can take several weeks to rise after an increase in cases.

Reporting by Lisa Shumaker; Editing by Peter Cooney

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