Robin Cook's Formula for Death: Also Know As: Virus. Who could have deliberately released a rare and deadly African plague that is now spreading uncontrollably throughout America's largest urban areas? A lone determined doctor desperately and fearlessly searches for the truth, but she soon finds herself targeted for death as well. With time running out to save human kind, Dr. Marissa Blumenthal discovers that the strange disease may have actually been unleashed by the medical establishment itself.