SA reports 13 more virus deaths

South Australian Premier Steven Marshall says 13 more COVID-19-related deaths have been reported. (AAP)

South Australia has revealed 13 more deaths among people with COVID-19 after a check on recent fatalities pushed the state's toll since the start of the pandemic to 87.

Premier Steven Marshall said seven deaths were reported in the past 24 hours with checks on nursing homes revealing another six over an undisclosed period.