On Tuesday April 28th,the Black Hawk County Health Department identified a discrepancy in the number of reported cases of COVID-19 in the County. The health department identified an error that caused cases with negative test results to remain open in the state surveillance system (rather than automatically close). All cases with negative test results have been removed from the number of reported cases in the County. As of April 29th,2020 at 10:00 am the revised total of cases is 1,326. The number of reported deaths was not affected by this issue, and one additional death was reported for a total of 13 deaths in the County.