Getty Images SIOUX FALLS, S.D. (AP) — Two regional health care providers based in Sioux Falls say they will begin processing tests for the coronavirus after receiving regulatory approval. Sanford Health says initially it will process about 400 tests daily with plans to double that number in the coming weeks. Avera Health says it has the capacity to handle about 200 tests daily. Testing was previously done at the state lab in Pierre or by commercial labs.