用“swab test”造句大全，swab test造句

Only one false positive case was recorded with the oral gum swab test, proving 99.7% specificity.

However, standard swab tests have proved unreliable in severe cases, says Kumar, possibly because the viral infection is deep in the lungs rather than in the throat.

NEW DELHI: a simple 20-minute gum swab test could soon tell you whether you are HIV positive or not.

The swab test, which involves taking a mucus sample from the nasal cavity, can distinguish between swine flu (H1N1), A and B strains of the virus.