Crossword-Solution: IMMUNISATION 12 letters, 47 clues 🏆 scrabble score: 16

Negroes have acquired, through severe natural selection, a certain degree of immunisation in America; but even now it is said that 'every other negro dies of consumption.' There are, however, two races, both long accustomed to town-life under horribly insanitary conditions, which have shown that they can live in almost any climate.

The further study of the pathogenetic powers of any particular bacterium involves the active immunisation of one or more previously normal animals.

This end may be attained by various means; but it must be remembered that immunisation is not carried out by any hard and fast rule or by one method alone, but usually by a combination of methods adapted to the exigencies of each particular case.

The immunisation of the rabbit against the Diplococcus pneumoniæ may be instanced as an example of the general methods of immunisation of laboratory animals.

But provided death does not immediately follow the injection of the antigen, specific antibody is always formed in greater or lesser amount; and in experimental work a sufficient amount of any required antibody can often be obtained without carrying the process of immunisation to its logical termination.