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

新德里：一个简单的20分钟牙龈擦拭实验能迅速告诉你是否是HIV阳性患者。

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Initial screening of animals suspected of having antibiotic residues is conducted using the Swab Test On Premises (STOP).

对怀疑带有抗生素残留的动物的最初检测采用棉签法。

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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.

这个棉签试验，需要从鼻腔采取一些粘液样本，能够区分出猪流感(H1N1)中的A和B病毒株，伦敦南部的圣乔治医院现在就是用流感Xpert试验。

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Mr. Dwyer, who appeared in 2009's "The Blind Side" among other films, says he was relieved that his swab test was negative.

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Genito-urinary consultant, Dr Carolyn Thompson, said that many health authorities in Scotland still use an out-of-date swab test to diagnose the disease.

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Just a little swab test.

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