Cure for Virgil (Rocky Cave) - Fallout 4 Game Guide & Walkthrough | gamepressure.com
Fallout 4 - Finding Virgil's Serum - The Institute - FEV Lab - YouTube
Fallout 4: From Within - Convince Doctor Li | VG247
The Glowing Sea - Fallout 4 Game Guide & Walkthrough | gamepressure.com
Fallout 4: A Loose End walkthrough - Polygon
Fallout 4: Where to Find Virgils Cure - YouTube
A Loose End - Fallout 4 Wiki Guide - IGN
Every time I try to give Virgil the serum he asked for, it doesn't give me the option even though I have it. It shows the “A” option but no text beside
Was the serum you gave Virgil meant for more : r/Fallout