The convoy transported 18 kings and four queens, mostly from the New Kingdom, from the Egyptian Museum in central Cairo's Tahrir Square to the National Museum of Egyptian Civilization in Fustat.
Many had feared a supernatural cause for many of Egypt's woes, having tied it to plans by Egypt's Tourism and Antiquities Ministry moving of 22 royal mummies to a new permanent exhibit.
"All these discoveries will rewrite the history of Saqqara and the New Kingdom," said Hawass.
Director Yotam Yakir described the experience of attending the scanning as “unbelievable.”
The paintings depicted the goddess Amentet, also known as Imentet, a minor fertility goddess as well as goddess of the dead.
According to the academics, the priest's "expressed wish" was for his voice to carry on into the afterlife.
One contained the well-preserved mummy of a powerful priest, wrapped in linen and decorated with a golden figure depicting Isis, an ancient Egyptian goddess.
Researchers believe the nobleman was called Khuwy.
Archaeologists have dated the mummies to the Late Period, and Waziri said three of them were considered to be in good condition.