(NBC News) – A local county coroner announced the death. The state’s health department said it is “conducting a thorough review.”

A sixth measles-related death was reported Monday in Pennsylvania, involving a 39-year-old woman in Franklin County, amid the state’s largest outbreak in three decades.

In a statement, the county’s coroner office said the woman had underlying medical conditions, though it did not provide specifics. A spokesperson for the Franklin County coroner’s office said the “primary cause of death was a probable acute cardiac event due to possible complications of the measles.” (Read More)