The Department of Health has confirmed an eighth child at the Wanaque Center for Nursing and Rehabilitation Center has died.
Officials are not confirming whether the child was infected with adenovirus.
It comes after seven children with severely compromised immune systems died at the facility.
The Department of Health has confirmed four new cases of adenovirus, bringing the total number to 23.
The latest death was a medically fragile child with a respiratory illness.
They are waiting on laboratory results before ruling on a cause of death.