All 11 Uses of

immune
in
Arrowsmith

He had immunized rabbits to typhoid, and he believed that if he mixed serum taken from these immune animals with typhoid germs, the germs would die.†
Chpt 6

immune = not in danger of suffering from something OR relating to disease resistance

When he was quite sure that Nature was persisting in doing something she ought not to, he went guiltily to Gottlieb, protesting, "The darn' bugs ought to die in this immune serum, but they don't.†
Chpt 6

Back in 1881 he was confirming Pasteur's results in chicken cholera immunity and, for relief and pastime, trying to separate an enzyme from yeast.†
Chpt 12 *

immunity = the state of not being in danger of suffering from something

He announced that antibodies, excepting antitoxin, had no relation to the immune state of an animal, and while he himself was being ragingly denounced in the small but hectic world of scientists, he dealt calmly and most brutally with Yersin's and Marmorek's theories of sera.†
Chpt 12

immune = not in danger of suffering from something OR relating to disease resistance

He reflected (it was an international debate in which he was joined by a few and damned by many) that half a dozen generations nearly free from epidemics would produce a race so low in natural immunity that when a great plague, suddenly springing from almost-zero to a world-smothering cloud, appeared again, it might wipe out the world entire, so that the measures to save lives to which he lent his genius might in the end be the destruction of all human life.†
Chpt 12

immunity = the state of not being in danger of suffering from something

Any questioning of his fluent figures about tuberculosis, any hint that the cause of decline in the disease may have been natural growth of immunity and not the crusades against spitting and stale air, Pickerbaugh regarded as a criticism of his honesty in making such crusades.†
Chpt 21

That health might be determined by temperature, heredity, profession, soil, natural immunity, or by anything save health-department campaigns for increased washing and morality, was to him inconceivable "Variables!†
Chpt 21

Tubbs came in now and then, found him busy, patted his shoulder, said something which sounded like French and might even have been French, and gave vague encouragement; while Gottlieb imperturbably told him to go ahead, and now and then stirred him by showing his own note-books (they were full of figures and abbreviations, stupid-seeming as invoices of calico) or by speaking of his own work, in a vocabulary as heathenish as Tibetan magic: "Arrhenius and Madsen have made a contribution toward bringing immunity reactions under the mass action law, but I hope to show that antigen-antibody combinations occur in stoicheiometric proportions when certain variables are held constant."†
Chpt 27

He found that phage-produced immunity could be as infectious as a disease.†
Chpt 30

He would yet determine the essential nature of phage; and as he became stronger and surer—and no doubt less human—he saw ahead of him innumerous inquiries into chemotherapy and immunity; enough adventures to keep him busy for decades.†
Chpt 40

Definition:

not in danger of being affected by something -- especially a disease

or:

relating to disease resistance