The monitor alarm didn't stop its high, piercing scream until Dr. Nguyen reached over the stainless-steel Mayo stand and violently slammed her gloved thumb against the mute button.
She didn't silence it because Evan had miraculously stabilized.
She silenced it because the deafening, synthetic wail of the flatline was going to make someone in the cramped, blood-slicked isolation room start making irreversible mistakes.
Sharon Leesburg's hands didn't move right away. She stood frozen at the head of the bed, her gloved palm still resting softly against Evan's sweat-drenched hair. The boy's skin was already beginning to rapidly cool, the intense, unnatural fever burning itself out the moment his heart stopped pumping oxygenated blood.
He's dead, Sharon thought, the reality settling like a lead weight in her stomach. The boy is gone.
But the corpse strapped to the mattress wasn't still.
Even with the heart monitor confirming complete cardiac arrest, Evan's body was trembling violently under the heavy nylon restraints. It was a terrifying, muscular fibrillation. It looked as though his flesh was fighting a war on a microscopic level—the dying human cells desperately resisting the absolute hostile takeover of the parasite attempting to reboot his central nervous system.
"Time of death, 11:51 PM," Sharon restated, her voice a hollow, mechanical rasp, forcing the clinical reality over her own grief. She pulled her hand away from his hair, taking a deliberate step back from the bed.
McAllister checked the dead EKG readout with a tight, practiced calm. "The host is deceased. But look at the EEG. The brain waves aren't flatlining. The neurological pathways are still heavily active. The parasite is surging."
Patel leaned in, his dark eyes narrowed in horrified fascination behind his safety glasses. "It's trying to bypass the need for a beating heart. It's attempting to manually stimulate the motor cortex through pure, hijacked electrical current."
Reyes hovered at the foot of the bed, her shoulders stiff, her face the color of old parchment. She looked like she might violently vomit into her surgical mask. Or drop to her knees and pray. Or both.
"Okay," Sharon said, her voice dropping low and steady because it absolutely had to be. If she broke, the room would break. "We do exactly what we said we were going to do. We take the samples. We document the transition. We work fast, but we do not rush. We are not harming him anymore. He's gone."
Nguyen nodded once, a sharp, jerky movement. She pulled a fresh, sterile blood tube from the surgical tray, her hands moving with the rigid efficiency of a machine that didn't have the luxury of feeling horror.
Suddenly, Evan's lifeless eyelids fluttered.
His jaw fell open with a soft, wet click.
A thick, viscous strand of stark white foam, heavily marbled with dark, coagulated blood from his shattered teeth, slid slowly down his chin, pooling on the sterile blue drape covering his chest.
Nguyen's eyes flicked nervously to Sharon. "The saliva..."
"I know," Sharon cut in gently, her voice tight. "We already know it's a vector."
But knowing the clinical data didn't soften the visceral horror of seeing it. Not even a fraction.
Saliva wasn't supposed to be a lethal biohazard. Saliva was comfort. It was kisses on a scraped knee. It was a mother's thumb wetting a napkin to wipe a smudge of dirt off a child's cheek before school.
This saliva looked like something the human body was violently, desperately rejecting. It looked like pure, concentrated venom.
"Double gloves," Patel ordered, his voice sharp and authoritative. "Everyone. Right now. If that fluid touches a micro-abrasion on your skin, you're dead."
Officer Daniels—standing just inside the heavy wooden door with his radio still completely useless on his belt and his hand resting anxiously on his holstered gun—shifted his weight, his combat boots squeaking on the tile. "Doc, you think it's airborne?"
Patel's mouth tightened into a grim line beneath his mask. "I don't know what I think anymore, Officer. The pathology of this thing breaks every established rule of virology."
Sharon forced herself to draw a deep breath of the foul, rotting air. "Not airborne," she said, the statement sounding more like a desperate prayer than a clinical fact. "If it were airborne, every person in that hallway, and every person in this room, would already be turning. It requires fluid transfer. Deep tissue contact."
Not yet, she added silently to herself. God, please, not yet.
Nguyen slid a second pair of thick purple nitrile gloves over her first, snapping the cuffs tightly over the wrists of her surgical gown. She moved to the central IV line still protruding from the dead boy's arm. "Blood draw first. Standard panel, plus whatever we can manage to run with the limited reagents we have left in the lab."
"CBC, CMP," Patel rattled off automatically, the familiar medical acronyms offering a tiny shred of normalcy. "Coags. Lactate levels. Get an arterial blood gas if you can still find a pulse point to draw from."
"I'll try," Nguyen nodded, her jaw set.
She detached the IV line and started filling the plastic collection tubes directly from the vein.
The blood that ran into the clear plastic was profoundly wrong. It was far too dark, almost black in the low amber light, and incredibly thick. It looked syrupy, entirely depleted of oxygen, actively coagulating as it hit the air.
Sharon watched the dark fluid fill the vials, her throat tight, fighting the bile rising in her stomach.
On the bed, Evan's dead hand suddenly twitched against the heavy nylon restraint.
It wasn't the erratic fibrillation from a moment ago. His fingers curled and uncurled with terrifying, deliberate purpose, the joints popping loudly, like he was trying to blindly grab onto something invisible in the dark.
"His motor functions are coming online," McAllister warned, taking a half-step backward, raising the heavy bone saw defensively.
Evan's eyes snapped entirely open.
There was no human recognition left. The cloudy, bruised purple irises were completely blown out, the pupils dilated to the absolute edge of the cornea. The human boy was gone. The parasite was driving the meat.
His ruined lips peeled back from his shattered teeth.
A low, wet sound came out of his dead throat—a guttural, clicking hiss that sounded more like a rabid animal than a breath.
Reyes flinched violently, knocking her hip against the wall. "Oh God. It's awake."
"Hold your positions," Sharon ordered, her voice cracking like a whip. "The restraints will hold."
Nguyen stepped back instinctively, the blood-filled tube clutched in her hand.
Evan snapped.
His head jerked forward off the vinyl pillow with such sudden, impossible force that the heavy canvas straps across his forehead violently creaked. His shattered teeth clacked loudly together, a mere inch from where Nguyen's wrist had been a fraction of a second before.
If she hadn't moved her hand—
Sharon didn't let herself finish the horrific thought.
"Secure him tighter!" Sharon ordered, her heart hammering against her ribs. "Now!"
Daniels moved instantly, overcoming his fear. He rushed forward, planting his heavy hands firmly on the metal bedrail to steady the violently rocking frame. Patel reached over the thrashing corpse and tightened the heavy chest strap another notch, pulling the canvas until it dug deeply into the dead boy's ribs. Reyes, pale as paper and weeping silently, forced herself to step forward and secure the secondary wrist restraint, her shaking fingers fumbling with the metal buckle.
Evan thrashed again—a violent, sudden, full-body convulsion.
The heavy metal bed rocked so hard the casters screeched against the linoleum.
A glass collection vial on the Mayo tray tipped over and shattered sharply on the floor, sending shards of glass sliding under the bed.
Nguyen sucked in a sharp breath that sounded like physical pain. "He's stronger than he should be! He's dead! Where is the energy coming from?!"
"Adrenaline residue in the tissue," Patel said, but his tone sounded completely unconvinced by his own science.
McAllister leaned in, his dark eyes locked on Evan's snapping, blood-slicked face, watching the muscles cord and strain. "It's not adrenaline. The pathogen is actively hijacking the ATP cycle. It's burning through the body's remaining cellular energy at a catastrophic rate to fuel the aggression."
Evan's thrashing suddenly slowed.
He went completely slack against the mattress again, as if someone had violently flipped a switch, severing the electrical connection to his muscles.
His chest wasn't moving. He wasn't breathing. But his purple eyes were wide, staring blankly at the ceiling.
"The transition is completing," Sharon said softly, the absolute horror of the moment fully realizing itself. "The parasite has control."
Nguyen stepped back in, her voice tight, holding up the rack of filled vials. "Blood samples complete. We have the data."
Patel nodded, snapping back into rigid procedure mode because raw emotion would drown them all if they let it take hold. "Label everything. Time stamps. Put it in the mobile cooler. We can't risk degradation."
Nguyen paused, looking down at the corpse. "We should test for contact transfer, too."
Sharon's eyes narrowed. "Explain."
Nguyen gestured with a gloved hand toward Evan's sweat-soaked hair, and down toward his ruined, blood-caked fingernails. "If the pathogen is heavily concentrated in the saliva and the blood… it might be present in other keratin sites. Hair follicles. Nail beds. Skin surface."
Reyes swallowed hard, her eyes widening. "You mean… he's contaminated everywhere. Just touching him is a risk."
"That's exactly what I mean," Nguyen said quietly.
Daniels' jaw tightened, his hand gripping the butt of his gun. "So if a civilian out there wrestles with one of these things—"
"They don't even need to suffer a bite," Patel finished grimly, spelling out the apocalyptic math. "Deep scratches. Infected blood getting under their nails. A drop of saliva in the eye. It's all a potential vector for transmission."
The room went completely, freezing cold.
Sharon pictured the crowded, panicked hallway outside the heavy door—families pressed tightly together on vinyl benches, terrified people comforting each other, wiping tears from their spouses' faces, holding hands in the dark.
Touching.
They were always touching.
"Hair sample," Sharon ordered, her voice completely hollow. "And fingernail scrapings. Carefully."
Reyes looked like she desperately wanted to refuse. She looked at the door, as if calculating the distance to escape.
Instead, she drew a ragged breath, stepped forward to the side of the bed, and did her job.
Nguyen held a sterile, plastic specimen container open while Reyes used a pair of surgical scissors to clip a small, dark lock of Evan's sweat-drenched hair near the scalp. The metallic sound of the scissors—snip, snip—felt profoundly obscene in the heavy quiet of the room.
Then, Nguyen took a long, sterile cotton swab and meticulously scraped beneath the jagged edge of Evan's thumbnail.
Dark, crusty debris collected easily on the white cotton—tiny, undeniable flecks of dried human blood and torn epidermal tissue.
Nguyen's voice was barely an audible whisper behind her mask. "He scratched someone. Before he was restrained. He fought back."
Sharon's stomach violently turned over. She looked at Patel, whose eyes were wide with the same horrific realization. If Evan had scratched a nurse, an orderly, or his own mother in the lobby before he was fully subdued, the infection was already spreading inside the barricade.
Evan moaned softly against the restraints, a wet, clicking sound, his dead face tightening as his jaw snapped instinctively at the air.
Patel stared at the bloody swab in Nguyen's hand like it was a loaded, unexploded bomb. "Bag it. Label it. That's hard evidence now."
Evidence.
Like they were building a criminal case, instead of desperately trying to stop the end of the world.
Sharon looked down at the boy on the bed—restrained, dead, but actively burning from the inside with a homicidal rage—and felt a terrible, inescapable thought take shape in her mind.
He wasn't just a pediatric patient anymore.
He was a biological warning.
He was a ticking clock.
McAllister stepped forward again, shining a small penlight directly into Evan's dilated, unblinking pupils. "The transition is locked. The host is fully reanimated under parasitic control. We need the neural tissue now, Sharon. Before the cellular decay degrades the sample."
Sharon didn't deny it. The entire horrific charade had been leading to this exact moment.
She turned to Patel. "Run the blood and the saliva through whatever machines we still have power for. Even if it's a crude analysis. Even if it's not perfect. We'll do smear microscopy. We can test basic pH, glucose, and lactate. Anything that definitively tells us if this is metabolic, toxic, or purely infectious."
"I'm on it," Patel said, taking the cooler of vials and moving toward the door.
"And McAllister," Sharon said, forcing the heavy words out of her throat, her eyes fixed on the battery-powered bone saw resting on the tray. "Get the neural tissue."
McAllister didn't hesitate. He picked up the heavy Stryker saw. He flipped the power switch.
The high-pitched, agonizing mechanical whine of the oscillating surgical blade filled the small isolation room, easily drowning out the clicking hisses of the corpse strapped to the bed.
"Hold his head steady," McAllister ordered.
Sharon stepped forward, placing both of her gloved hands firmly on either side of the dead boy's skull, pinning his head tightly against the mattress.
McAllister pressed the spinning, jagged steel blade directly against the center of Evan's forehead.
The sickening, wet sound of the blade biting through cold skin and tearing violently into the human skull echoed sharply off the tile walls. A fine, white mist of pulverized bone dust and dark, coagulated blood sprayed rapidly upward, coating the front of Sharon's surgical gown and misting across the clear lenses of her safety glasses.
The smell of burning bone filled the stagnant air, thick, sweet, and utterly, unforgettably horrific.
As the saw cut deeper into the cranial cavity, Evan's lifeless hands suddenly twitched violently against the nylon restraints. His dead fingers curled into rigid, claw-like fists as the virus desperately fought to protect the hijacked meat from the intrusion.
The doctors didn't stop. They didn't pause. They leaned heavily over the twitching corpse of a child, their hands bathed in his blood, cutting him apart piece by piece in the dark to find the monster hiding inside his head.
The ethical line hadn't just been crossed; it had been entirely obliterated, ground into dust beneath the spinning teeth of the saw.
And as the bone saw screamed its high, synthetic wail, Sharon Leesburg realized with absolute, chilling clarity that they hadn't just performed a medical procedure.
They had just performed their very first vivisection on a nightmare.