In a swab sample of one household bin for harmful bugs, Mr Boothby recorded a reading of 48, 029.

BBC: Bin strike 'health risk threat'

Consumers place their orders on the Web, then get a kit in the mail and return it with a cheek swab or spit sample for analysis.

FORBES: All your genes are belong to us

Taking advantage of a Maryland law that allowed DNA tests following felony arrests, police took a cheek swab of King's DNA which matched a sample from the 2003 Salisbury rape.

NPR: Court Takes Up Question Of Arrestee DNA Sampling