Direct answer
Objectives follow journal display order. Some depend on your choices; follow the active objective in the game.
Result
Though druids have gained fame worldwide as outstanding healers, even with all their spells and elixirs they at times prove powerless against diseases. Such was the case with Egill - a druid who had lost his voice. His friend decided that, since traditional methods had failed, it was time to try newer, more innovative approaches. It fell to Geralt to test them.
