He laughed. "I suppose my reputation gets around."

"It does. You're an opinionated slave driver, a bully, an intellectual

tyrant, and the best pathologist in this center."

"The last part of that sentence makes up for unflattering honesty of the

first," Kramer said. "At any rate, once we realized the situation we

went to work to correct it. Institutes like this were established

everywhere the disease appeared for the sole purpose of examining,

treating, and experimenting with the hope of finding a cure. This

section exists for the evaluation of treatment. We check the human

cases, and the primates in the experimental laboratories. It is our

duty to find out if anything the boys upstairs try shows any promise. We

were a pretty big section once, but Thurston's virus has whittled us

down. Right now there is just you and me. But there's still enough work

to keep us busy. The experiments are still going on, and there are still

human cases, even though the virus has killed off most of the

susceptibles. We've evaluated over a thousand different drugs and

treatments in this Institute alone."

"And none of them have worked?"

"No--but that doesn't mean the work's been useless. The research has

saved others thousands of man hours chasing false leads. In this

business negative results are almost as important as positive ones. We

may never discover the solution, but our work will keep others from

making the same mistakes."

"I never thought of it that way."

"People seldom do. But if you realize that this is international, that

every worker on Thurston's Disease has a niche to fill, the picture will

be clearer. We're doing our part inside the plan. Others are, too. And

there are thousands of labs involved. Somewhere, someone will find the

answer. It probably won't be us, but we'll help get the problem solved

as quickly as possible. That's the important thing. It's the biggest

challenge the race has ever faced--and the most important. It's a

question of survival." Kramer's voice was sober. "We have to solve this.

If Thurston's Disease isn't checked, the human race will become

extinct. As a result, for the first time in history all mankind is

working together."

"All? You mean the Communists are, too?"

"Of course. What's an ideology if there are no people to follow it?"

Kramer knocked the ashes out of his pipe, looked at the laboratory clock

and shrugged. "Ten minutes more," he said, "and these tubes will be

ready. Keep an eye on that clock and let me know. Meantime you can

straighten up this lab and find out where things are. I'll be in the

office checking the progress reports." He turned abruptly away, leaving

her standing in the middle of the cluttered laboratory.

"Now what am I supposed to do here?" Mary wondered aloud. "Clean up, he

says. Find out where things are, he says. Get acquainted with the place,

he says. I could spend a month doing that." She looked at the littered

bench, the wall cabinets with sliding doors half open, the jars of

reagents sitting on the sink, the drainboard, on top of the refrigerator

and on the floor. The disorder was appalling. "How he ever manages to

work in here is beyond me. I suppose that I'd better start

somewhere--perhaps I can get these bottles in some sort of order first."

She sighed and moved toward the wall cabinets. "Oh well," she mused, "I

asked for this."

* * * * *

"Didn't you hear that buzzer?" Kramer asked.

"Was that for me?" Mary said, looking up from a pile of bottles and

glassware she was sorting.

"Partly. It means they've sent us another post-mortem from upstairs."

"What is it?"

"I don't know--man or monkey, it makes no difference. Whatever it is,

it's Thurston's Disease. Come along. You might as well see what goes on

in our ultra modern necropsy suite."

"I'd like to." She put down the bottle she was holding and followed him

to a green door at the rear of the laboratory.

"Inside," Kramer said, "you will find a small anteroom, a shower, and a

dressing room. Strip, shower, and put on a clean set of lab coveralls

and slippers which you will find in the dressing room. You'll find

surgical masks in the wall cabinet beside the lockers. Go through the

door beyond the dressing room and wait for me there. I'll give you ten

minutes."

* * * * *

"We do this both ways," Kramer said as he joined her in the narrow hall

beyond the dressing room. "We'll reverse the process going out."

"You certainly carry security to a maximum," she said through the mask

that covered the lower part of her face.

"You haven't seen anything yet," he said as he opened a door in the

hall. "Note the positive air pressure," he said. "Theoretically nothing

can get in here except what we bring with us. And we try not to bring

anything." He stood aside to show her the glassed-in cubicle overhanging

a bare room dominated by a polished steel post-mortem table that

glittered in the harsh fluorescent lighting. Above the table a number of

jointed rods and clamps hung from the ceiling. A low metal door and

series of racks containing instruments and glassware were set into the

opposite wall together with the gaping circular orifice of an open

autoclave.

"We work by remote control, just like they do at the AEC. See those

handlers?" He pointed to the control console set into a small stainless

steel table standing beside the sheet of glass at the far end of the

cubicle. "They're connected to those gadgets up there." He indicated the

jointed arms hanging over the autopsy table in the room beyond. "I could

perform a major operation from here and never touch the patient. Using

these I can do anything I could in person with the difference that

there's a quarter inch of glass between me and my work. I have controls

that let me use magnifiers, and even do microdissection, if necessary."

"Where's the cadaver?" Mary asked.

"Across the room, behind that door," he said, waving at the low, sliding

metal partition behind the table. "It's been prepped, decontaminated and

ready to go."

"What happens when you're through?"

"Watch." Dr. Kramer pressed a button on the console in front of him. A

section of flooring slid aside and the table tipped. "The cadaver slides

off that table and through that hole. Down below is a highly efficient

crematorium."

Mary shivered. "Neat and effective," she said shakily.

"After that the whole room is sprayed with germicide and sterilized with

live steam. The instruments go into the autoclave, and thirty minutes

later we're ready for another post-mortem."

"We use the handlers to put specimens into those jars," he said,

pointing to a row of capped glass jars of assorted sizes on a wall rack

behind the table. "After they're capped, the jars go onto that carrier

beside the table. From here they pass through a decontamination chamber

and into the remote-control laboratory across the hall where we can run

biochemical and histological techniques. Finished slides and mounted

specimens then go through another decontamination process to the outside

lab. Theoretically, this place is proof against anything."

"It seems to be," Mary said, obviously impressed. "I've never seen

anything so elegant."

"Neither did I until Thurston's Disease became a problem." Kramer

shrugged and sat down behind the controls. "Watch, now," he said as he

pressed a button. "Let's see what's on deck--man or monkey. Want to make

a bet? I'll give you two to one it's a monkey."

She shook her head.

* * * * *

The low door slid aside and a steel carriage emerged into the necropsy

room bearing the nude body of a man. The corpse gleamed pallidly under

the harsh shadowless glare of the fluorescents in the ceiling as Kramer,

using the handlers, rolled it onto the post-mortem table and clamped it

in place on its back. He pushed another button and the carriage moved

back into the wall and the steel door slid shut. "That'll be

decontaminated," he said, "and sent back upstairs for another body. I'd

have lost," he remarked idly. "Lately the posts have been running three

to one in favor of monkeys."

[Illustration]

He moved a handler and picked up a heavy scalpel from the instrument

rack. "There's a certain advantage to this," he said as he moved the

handler delicately. "These gadgets give a tremendous mechanical

advantage. I can cut right through small bones and cartilage without

using a saw."

"How nice," Mary said. "I expect you enjoy yourself."

"I couldn't ask for better equipment," he replied noncommittally. With

deft motion of the handler he drew the scalpel down across the chest

and along the costal margins in the classic inverted "Y" incision.

"We'll take a look at the thorax first," he said, as he used the

handlers to pry open the rib cage and expose the thoracic viscera. "Ah!

Thought so! See that?" He pointed with a small handler that carried a

probe. "Look at those lungs." He swung a viewer into place so Mary could

see better. "Look at those abscesses and necrosis. It's Thurston's

Disease, all right, with secondary bacterial invasion."

The grayish solidified masses of tissue looked nothing like the normal

pink appearance of healthy lungs. Studded with yellowish spherical

abscesses they lay swollen and engorged within the gaping cavity of the

chest.

"You know the pathogenesis of Thurston's Disease?" Kramer asked.

Mary shook her head, her face yellowish-white in the glare of the

fluorescents.

"It begins with a bronchial cough," Kramer said. "The virus attacks the

bronchioles first, destroys them, and passes into the deeper tissues of

the lungs. As with most virus diseases there is a transitory

leukopenia--a drop in the total number of white blood cells--and a rise

in temperature of about two or three degrees. As the virus attacks the

alveolar structures, the temperature rises and the white blood cell

count becomes elevated. The lungs become inflamed and painful. There is

a considerable quantity of lymphoid exudate and pleural effusion.

Secondary invaders and pus-forming bacteria follow the viral destruction

of the lung tissue and form abscesses. Breathing becomes progressively

more difficult as more lung tissue is destroyed. Hepatization and

necrosis inactivate more lung tissue as the bacteria get in their dirty

work, and finally the patient suffocates."

"But what if the bacteria are controlled by antibiotics?"

"Then the virus does the job. It produces atelectasis followed by

progressive necrosis of lung tissue with gradual liquefaction of the

parenchyma. It's slower, but just as fatal. This fellow was lucky. He

apparently stayed out of here until he was almost dead. Probably he's

had the disease for about a week. If he'd have come in early, we could

have kept him alive for maybe a month. The end, however, would have been

the same."

"It's a terrible thing," Mary said faintly.

"You'll get used to it. We get one or two every day." He shrugged.

"There's nothing here that's interesting," he said as he released the

clamps and tilted the table. For what seemed to Mary an interminable

time, the cadaver clung to the polished steel. Then abruptly it slid off

the shining surface and disappeared through the square hole in the

floor. "We'll clean up now," Kramer said as he placed the instruments in

the autoclave, closed the door and locked it, and pressed three buttons

on the console.

From jets embedded in the walls a fine spray filled the room with fog.

"Germicide," Kramer said. "Later there'll be steam. That's all for

now. Do you want to go?"

Mary nodded.

"If you feel a little rocky there's a bottle of Scotch in my desk. I'll

split a drink with you when we get out of here."

"Thanks," Mary said. "I think I could use one."

* * * * *

"Barton! Where is the MacNeal stain!" Kramer's voice came from the lab.

"I left it on the sink and it's gone!"

"It's with the other blood stains and reagents. Second drawer from the

right in the big cabinet. There's a label on the drawer," Mary called

from the office. "If you can wait until I finish filing these papers,

I'll come in and help you."

"I wish you would," Kramer's voice was faintly exasperated. "Ever since

you've organized my lab I can't find anything."

"You just have a disorderly mind," Mary said, as she slipped the last

paper into its proper folder and closed the file. "I'll be with you in a

minute."

"I don't dare lose you," Kramer said as Mary came into the lab. "You've

made yourself indispensable. It'd take me six months to undo what you've

done in one. Not that I mind," he amended, "but I was used to things the

way they were." He looked around the orderly laboratory with a mixture

of pride and annoyance. "Things are so neat they're almost painful."

"You look more like a pathologist should," Mary said as she deftly

removed the tray of blood slides from in front of him and began to run

the stains. "It's my job to keep you free to think."

"Whose brilliant idea is that? Yours?"

"No--the Director's. He told me what my duties were when I came here.

And I think he's right. You should be using your brain rather than

fooling around with blood stains and sectioning tissues."

"But I like to do things like that," Kramer protested. "It's relaxing."

"What right have you to relax," Mary said. "Outside, people are dying by

the thousands and you want to relax. Have you looked at the latest

mortality reports?"

"No--"

"You should. The WHO estimates that nearly two billion people have died

since Thurston's Disease first appeared in epidemic proportions. That's

two out of three. And more are dying every day. Yet you want to relax."

"I know," Kramer said, "but what can we do about it. We're working but

we're getting no results."

"You might use that brain of yours," Mary said bitterly. "You're

supposed to be a scientist. You have facts. Can't you put them

together?"

"I don't know." He shrugged, "I've been working on this problem longer

than you think. I come down here at night--"

"I know. I clean up after you."

"I haven't gotten anywhere. Sure, we can isolate the virus. It grows

nicely on monkey lung cells. But that doesn't help. The thing has no

apparent antigenicity. It parasitizes, but it doesn't trigger any immune

reaction. We can kill it, but the strength of the germicide is too great

for living tissue to tolerate."

"Some people seem to be immune."

"Sure they do--but why?"

"Don't ask me. I'm not the scientist."

"Play like one," Kramer growled. "Here are the facts. The disease

attacks people of all races and ages. So far every one who is attacked

dies. Adult Europeans and Americans appear to be somewhat more resistant

than others on a population basis. Somewhere around sixty per cent of

them are still alive, but it's wiped out better than eighty per cent of

some groups. Children get it worse. Right now I doubt if one per cent of

the children born during the past ten years are still alive."

"It's awful!" Mary said.

"It's worse than that. It's extinction. Without kids the race will die

out." Kramer rubbed his forehead.

"Have you any ideas?"

"Children have less resistance," Kramer replied. "An adult gets exposed

to a number of diseases to which he builds an immunity. Possibly one of

these has a cross immunity against Thurston's virus."

"Then why don't you work on that line?" Mary asked.

"Just what do you think I've been doing? That idea was put out months

ago, and everyone has been taking a crack at it. There are twenty-four

laboratories working full time on that facet and God knows how many more

working part time like we are. I've screened a dozen common diseases,

including the six varieties of the common cold virus. All, incidentally,

were negative."

"Well--are you going to keep on with it?"

"I have to." Kramer rubbed his eyes. "It won't let me sleep. I'm sure

we're on the right track. Something an adult gets gives him resistance

or immunity." He shrugged. "Tell you what. You run those bloods out and

I'll go take another look at the data." He reached into his lab coat and

produced a pipe. "I'll give it another try."

"Sometimes I wish you'd read without puffing on that thing," Mary said.

"Your delicate nose will be the death of me yet--" Kramer said.

"It's my lungs I'm worried about," Mary said. "They'll probably look

like two pieces of well-tanned leather if I associate with you for

another year."

"Stop complaining. You've gotten me to wear clean lab coats. Be

satisfied with a limited victory," Kramer said absently, his eyes

staring unseeingly at a row of reagent bottles on the bench. Abruptly he

nodded. "Fantastic," he muttered, "but it's worth a check." He left the

room, slamming the door behind him in his hurry.

* * * * *

"That man!" Mary murmured. "He'd drive a saint out of his mind. If I

wasn't so fond of him I'd quit. If anyone told me I'd fall in love

with a pathologist, I'd have said they were crazy. I wish--" Whatever

the wish was, it wasn't uttered. Mary gasped and coughed rackingly.

Carefully she moved back from the bench, opened a drawer and found a

thermometer. She put it in her mouth. Then she drew a drop of blood from

her forefinger and filled a red and white cell pipette, and made a smear

of the remainder.

She was interrupted by another spasm of coughing, but she waited until

the paroxysm passed and went methodically back to her self-appointed

task. She had done this many times before. It was routine procedure to

check on anything that might be Thurston's Disease. A cold, a sore

throat, a slight difficulty in breathing--all demanded the diagnostic

check. It was as much a habit as breathing. This was probably the result

of that cold she'd gotten last week, but there was nothing like being

sure. Now let's see--temperature 99.5 degrees, red cell count 4-1/2

million. White cell count ... oh! 2500 ... leukopenia! The differential

showed a virtual absence of polymorphs, lymphocytes and monocytes. The

whole slide didn't have two hundred. Eosinophils and basophils way

up--twenty and fifteen per cent respectively--a relative rise rather

than an absolute one--leukopenia, no doubt about it.

She shrugged. There wasn't much question. She had Thurston's Disease. It

was the beginning stages, the harsh cough, the slight temperature, the

leukopenia. Pretty soon her white cell count would begin to rise, but

it would rise too late. In fact, it was already too late. It's funny,

she thought. I'm going to die, but it doesn't frighten me. In fact, the

only thing that bothers me is that poor Walter is going to have a

terrible time finding things. But I can't put this place the way it was.

I couldn't hope to.

She shook her head, slid gingerly off the lab stool and went to the hall

door. She'd better check in at the clinic, she thought. There was bed

space in the hospital now. Plenty of it. That hadn't been true a few

months ago but the only ones who were dying now were the newborn and an

occasional adult like herself. The epidemic had died out not because of

lack of virulence but because of lack of victims. The city outside, one

of the first affected, now had less than forty per cent of its people

left alive. It was a hollow shell of its former self. People walked its

streets and went through the motions of life. But they were not really

alive. The vital criteria were as necessary for a race as for an

individual. Growth, reproduction, irritability, metabolism--Mary smiled

wryly. Whoever had authored that hackneyed mnemonic that life was a

"grim" proposition never knew how right he was, particularly when one of

the criteria was missing.

The race couldn't reproduce. That was the true horror of Thurston's

Disease--not how it killed, but who it killed. No children played in the

parks and playgrounds. The schools were empty. No babies were pushed in

carriages or taken on tours through the supermarkets in shopping

carts. No advertisements of motherhood, or children, or children's

things were in the newspapers or magazines. They were forbidden

subjects--too dangerously emotional to touch. Laughter and shrill young

voices had vanished from the earth to be replaced by the drab grayness

of silence and waiting. Death had laid cold hands upon the hearts of

mankind and the survivors were frozen to numbness.

* * * * *

It was odd, she thought, how wrong the prophets were. When Thurston's

Disease broke into the news there were frightened predictions of the end

of civilization. But they had not materialized. There were no mass

insurrections, no rioting, no organized violence. Individual excesses,

yes--but nothing of a group nature. What little panic there was at the

beginning disappeared once people realized that there was no place to

go. And a grim passivity had settled upon the survivors. Civilization

did not break down. It endured. The mechanics remained intact. People

had to do something even if it was only routine counterfeit of normal

life--the stiff upper lip in the face of disaster.

It would have been far more odd, Mary decided, if mankind had given way

to panic. Humanity had survived other plagues nearly as terrible as

this--and racial memory is long. The same grim patience of the past was

here in the present. Man would somehow survive, and civilization go

on.

It was inconceivable that mankind would become extinct. The whole vast

resources and pooled intelligence of surviving humanity were focused

upon Thurston's Disease. And the disease would yield. Humanity waited

with childlike confidence for the miracle that would save it. And the

miracle would happen, Mary knew it with a calm certainty as she stood in

the cross corridor at the end of the hall, looking down the thirty yards

of tile that separated her from the elevator that would carry her up to

the clinic and oblivion. It might be too late for her, but not for the

race. Nature had tried unaided to destroy man before--and had failed.

And her unholy alliance with man's genius would also fail.

She wondered as she walked down the corridor if the others who had

sickened and died felt as she did. She speculated with grim amusement

whether Walter Kramer would be as impersonal as he was with the others,

when he performed the post-mortem on her body. She shivered at the

thought of that bare sterile room and the shining table. Death was not a

pretty thing. But she could meet it with resignation if not with

courage. She had already seen too much for it to have any meaning. She

did not falter as she placed a finger on the elevator button.

Poor Walter--she sighed. Sometimes it was harder to be among the living.

It was good that she didn't let him know how she felt. She had sensed a

change in him recently. His friendly impersonality had become merely

friendly. It could, with a little encouragement, have developed into

something else. But it wouldn't now. She sighed again. His hardness had

been a tower of strength. And his bitter gallows humor had furnished a

wry relief to grim reality. It had been nice to work with him. She

wondered if he would miss her. Her lips curled in a faint smile. He

would, if only for the trouble he would have in making chaos out of the

order she had created. Why couldn't that elevator hurry?

* * * * *

"Mary! Where are you going?" Kramer's voice was in her ears, and his

hand was on her shoulder.

"Don't touch me!"

"Why not?" His voice was curiously different. Younger, excited.

"I have Thurston's Disease," she said.

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