As of Friday, 10 people still were hospitalized in the Las Vegas Valley, four of whom were in critical condition, local hospitals reported.
An unknown number of patients have been transferred to out-of-state medical centers.
University Medical Center has discharged all its patients.
Sunrise Hospital & Medical Center has six patients, two in critical conditon.
The Valley Health System reports one patient in critical condition.
The St. Rose Dominican Hospitals have three patients, one in critical conditon.