The 63 year-old woman from Rakiraki Village in Yale, Kadavu, was declared dead on arrival at the Vunisea Hospital on Tuesday.
If her death is found to have been caused by COVID, this will be the Eastern Division's first case of the virus.
The woman's death comes amid 781 new cases of the Delta variant reported in the 24 hours to 8am yesterday.
The government also confirmed eight more deaths, taking the toll to 421.
That compares with 653 cases and eight deaths in the previous 24-hour period.