Carl Jones's physical and psychological transformation due to antimatter maggot infestation, and the opposing efforts by Jo Grant to save him and by Nancy to accept the inevitable

Jo lingers at Jones's side in the community room as his infected green patch spreads, a visible sign of his deteriorating condition. Her mounting frustration and helplessness boil over into …

As Nancy administers the final doses of fungal treatment to the ravaged scientist Jones, his vital signs steady and his respiration deepens. The antidote begins its work, pulling him back …