Umatilla County Public Health announced the county’s 57th COVID-19 death in a Thursday, Dec. 31, press release.

The victim is a 66-year-old male who tested positive Dec. 10 and died Dec. 25 at Good Shepherd Health Care System in Hermiston. This individual had underlying medical conditions, according to the press release.

The announcement comes as the health department reported 143 new cases on Dec. 31, bringing the county’s total to 5,640 total cases reported in the county, according to the Umatilla County COVID-19 dashboard. It was the largest single-day total the county has reported since the pandemic began.

According to a press release, 77 of these cases are connected to outbreaks at local prisons.

Morrow County reported 10 new cases, bringing its total to 815 cases. Morrow County has had eight deaths since the pandemic started earlier this year.