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The injection of the cholera blood is for the purpose of stimulating the production of antibodies by the body tissues, and raising the protective properties of the immune hog's blood. The blood from the hyperimmunes is defibrinated and a preservative added, and after it has been tested for potency and freedom from contaminating organisms, it is ready for use.

During moulting, the snake stops eating but becomes aggressive. The only cure against snake bite is snake anti-venom. The blood of the horse is then drawn, frozen and processed after separating the antibodies and crystallized into a powder. This is anti-venom as we know it. When a snake bite occurs, the following first aid measures should be taken.

Or he might have built up some kind of immunity, with antibodies that were themselves harmful if he didn't have alcohol to neutralize them. The fugitive from what I couldn't bring myself to call justice proved to know just a little, but not much, more about engines than I did. That meant that Tom would still have to take Al Devis's place, and I'd have to take his with the after 50-mm.

"We don't have anything that even touches it, not even the purified globulins." "What about antibodies from the infected people?" Jack suggested. "In every virus disease I've ever heard of, the victim's own body starts making antibodies against the invading virus. If enough antibodies are made fast enough, the virus dies and the patient is immune from then on."

"Maybe Fuzzy's body developed antibodies against the virus while he was infected. Remember, he doesn't have a rigid body structure like we do. He's mostly just basic protein, and he can synthesize pretty much anything he wants to or needs to." Jack blinked. "It's an idea, at least. Is there any way we can get some of his body fluid away from him? Without getting bit, I mean?"

In their desperate attempts to hold on and fight back, the virus-creatures had destroyed vital centers in the new hosts, and one by one they had begun to die. There was not enough energy left for the virus-creatures to detach themselves and move on; without some way to stem the onslaught of the antibodies, they were doomed to total destruction.

It was not until they had expended the last dregs of their energy in anchoring themselves into the cells and tissues of their new hosts that they discovered to their horror that the host-creatures could not tolerate them. Unlike their original hosts, the bodies of these creatures began developing deadly antibodies that attacked the virus invaders.

It was the function of the tormal members of the Med Service to react to any infection more swiftly than humans could do, and to develop antibodies which destroyed that infection and could be synthesized to cure it in humans. But Murgatroyd was immune only to infections. To toxins. He was not immune to an appetite-causing molecule demanding more of itself on penalty of madness.

Then there was another thing the serological analysis revealed no gerontal antibodies. She had never received an injection of longevity compound in her life. This might occur, but it's highly improbable. The evidence indicates that she's extra-Betan." Kennon nodded. "But this business of her being fifteen years old! That's impossible. She has the development of a woman of twenty-five."

This sort of medical detective work was first applied to syphilis successfully by Wassermann, Neisser, and Bruck in 1904, and for that reason the test for these antibodies in the blood in syphilis is called the Wassermann reaction.