The state had 17,763 COVID-19 cases—an increase of 501 from the previous day—and 26 newly reported deaths, bringing the number of statewide virus-related deaths to 857 on May 28, according to data from the Arizona Department of Health Services.
Of 4,005 polymerase chain reaction, known as PCR, tests in Maricopa County reported on May 28, 6.52%, or 261 tests, came back positive for coronavirus. The PCR test determines an active case of COVID-19, the other kind of testing data the state tracks is related to serology—or antibody—tests, which determines if a person has been infected in the past with the virus. The county also reported five new deaths May 28, bringing the county's death toll to 386, according to data from the Maricopa County Department of Public Health. The number of tests administered increased by 33.59% from the previous day while the number of positive cases increased by 3.06% from the previous day.
Of the county's 386 known deaths, 278 are tied to long-term care facilities, making up 72.02% of the county's total COVID-19-related deaths.
The state and county also track hospitalization data. In Maricopa County, 16% of the county's total cases resulted in hospitalization as of May 28, up 3% from the previous day. The county tracks intensive care unit, or ICU, data separately. Four percent of the county's total cases have resulted in admittance to the ICU. Statewide, as of May 28, ADHS reported 16% of the state's cases have resulted in hospitalization, an increase of 4% from the previous day.
According to data from the state, of the completed and reported Maricopa County COVID-19 PCR tests, 5.9% of them have yielded a positive result.
Statewide, there have been 202,914 PCR tests completed. Of the total PCR tests across the state, 6.6% have yielded a positive result.