The Hospital (Carlos)

• Item box: leave the ink ribbon. Ignore zombies to save ammo until the dining hall, where you have to shoot them. To the bell room — spiders in the hall past the library, dodge them. Move the bell, open the door. Outside: lure the zombies to the fuel tank and blow it. Front and right doors are locked; take the left path to the hospital.

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• A Hunter β beheads a zombie — the new enemy. Sprint to the door on your right, or shoot (mind the assault-rifle ammo). Save room: a spray (emergencies only). Next door to the doctors' lounge: blue herb (right), the Director's Diary by a dead doctor, handgun ammo in an open locker, a Tape Recorder on a table, the hospital Map on the wall.
• Elevator: the voice device beside it needs the Tape Recorder — use it to activate the lift. Go to 4F first (file order: Photo D on 4F before the Medical Manual on B3).

• Doors may open onto a zombie horde and a Hunter β — be careful.
• Far room first: Nikolai is alive; he kills another squadmate and threatens Carlos, but the merc pulls a grenade and blows himself up. Nikolai jumps out the window; Carlos survives.
• Explore the office → Infirmary Key and Photo D. Other hall, first door: shoot the zombies and worms; a dead doctor gives you a code (random per game). Note which corner the metal shelf is in — you need it next door. Out, use the Infirmary Key (discard it), go in, and push the metal shelf to the corner opposite the one next door.

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• Done right, a painting falls → wall safe. Enter the code → the Vaccine Base.

Take the window as North. Shortcut: the shelf's position in the doctor's room already matches the code, so you can read it straight off there.

• Elevator to B3; zombies or Hunter β on the doors. Lab: 2 Hunter β — kill them, next door. Water tanks with specimens: find the Medium Base and the Medical Manual. On the panel beside the tank, pull the lever to power the synthesizer, insert the Medium Base, then set the valves:

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This produces the Vaccine Agent. Combine it with the Vaccine Base → the Vaccine.

• On leaving, the Hunter γ wake up — run straight for the door; you can fight, but you're low on ammo and surrounded. Cross the lab, back to the elevator hall — likely two more Hunter β. Elevator to 1F — attacked again on the doors.
• At the hospital door, Carlos spots a bomb — six seconds — and clears the building as it explodes.

• Return toward the chapel. On the stairs, heavy pounding — a mutated Nemesis, no coat, tentacles out. Turn and run; he also comes through the windows on the far side. Reach the chapel — safe.
• Carlos gives Jill the vaccine and she recovers. She warns him Nemesis and Nikolai are alive; he leaves to "take care of some things."
• Back as Jill. Item box: take the Lockpick. Outside, Nemesis again — beating him now gives Infinite Ammo. Combine it with the Grenade Launcher: infinite grenades of every type is the strongest option for what's ahead. Head for the hospital path.
• Outside the tower mansion, a door ahead — Lockpick it → mines, Photo E, an ink ribbon, and the Main Gate Key. Item box: leave the ribbon, Lockpick and mines. Carry the grenade launcher and ammo, the key, and a herb mix. Right door, use the key, discard it.