The seventh plague Sigma force series, book 12.

If the biblical plagues of Egypt truly happened-could they happen again-on a global scale? Two years after vanishing into the Sudanese desert, Professor Harold McCabe comes stumbling out of the sands, but he dies before he can tell his story. Then an autopsy uncovers a bizarre corruption: someone had begun to mummify the professor's body-while he was still alive. Subsequently, the medical team who had performed the man's autopsy has fallen ill...