The Genocidal Healer is a 1992 science fiction novel by Northern Irish author James White, part of his Sector General series.
However the protagonist of the early Sector General stories, Dr. Conway, plays an important supporting role, as do other regular characters.
The early Sector General stories focus almost entirely on medical problems, but later ones such as The Genocidal Healer also deal with deeper issues.
The Sector General ships hurriedly provided food to malnourished people everywhere, along with medical aid for combat injuries, and tried to determine the cause of the mysterious disease.
Lioren grew frustrated with the slow process of sending samples back to Sector General and awaiting diagnostics and full tests to ensure the effectiveness of potential cures.