Even if you know you have had the rubella vaccination, your body may not have made enough antibodies to make you immune to the virus, so it is best to check.
When a human being becomes immune to an infection, the immunity is usually due to blood cells, lymphocytes, that produce antibodies.
That it happens at all is nonetheless deeply troubling for a nation that has long thought itself immune from the kind of social malaise that it liked to characterise as a western problem.
Ohhhhhh but I am not easily affected by any man - I am immune !
Politics beckoned, not just because it offered an outlet for his rhetorical brilliance and restless ambition, but also because MPs were immune from prosecution.
Birds that exhibit no infection may be immune to parasites or susceptible but not yet exposed.
Our tourism industry is not immune from the economic pressures which have moved much of the electronics industry to Eastern Europe and the Far East, and financial services to India.
Fitzgerald believes the group should be relatively immune to economic slowdown.
Royalty are not immune from their effects, as we have seen all too clearly.
We could see their love and it rubbed off on us - or at least it rubbed off on those not so opposed to the man as to be immune to such influence.