What catastrophe PLAGUED the age of Amenhotep III, Akhenaten and Nefertiti?

WARNING! ANCIENT GLOBAL THREAT... the impossible scrawled message turns up in a newly found Egyptian tomb, along with a modern biohazard symbol.
Who sent it?
Is missing archaeology team member Lucas Burrows trapped in the ancient past during an age of terror?
What mysterious plague has hit the population of Egypt in the reign of Pharaoh Amenhotep III and his young co-regent Akhenaten? Why is it seen as a judgement by the angry sun god Ra?
Lucas, a physician and World Health Organisation expert on pandemics, must find its source and the antidote in time to save the ancient past and the future.
Especially when his lover, the lustrous Italian-born Egyptologist Giulietta, is exposed to the deadly contagion.
An enthralling and thought-provoking medical thriller.

SEE The RA VIRUS  here  (AMAZON KINDLE AND PAPERBACK)