Kills 99.9% of Germs -- Sometimes - WSJ.com: "Mr. Tetro showed the difference by testing three hand-sanitizer products for CBC News last month among eighth graders in Hamilton, Ontario. Three popular sanitizers killed between 46% and 60% of microbes on the students' hands, far short of 99.99%. Bugs that aren't killed by sanitizers aren't necessarily more dangerous than those that are. But the more that remain, the greater the chance of infection, doctors say."
Comment -- They key is "operator error." Few people wash/sanitize their hands for the required 20-25 seconds.
Wednesday, December 16, 2009
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