Although it's impossible to keep your hands germ-free, washing your hands frequently can help limit the transfer of bacteria, viruses and other microbes.

虽然不可能让你的手保持零细菌，但是勤洗手可以帮助你限制细菌、病毒和其它微生物的转移。

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Because the natural home for Salmonella bacteria is in the gut of these animals, their poop becomes a carrier of the germ if it gets into food or water.

这些动物的消化道是沙门氏菌的天然家园，因此它们的粪便就为细菌侵入食物或水源提供了载体。

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The new strategy involves implanting into the gums antibiotics or other germ killers so that they can attack bacteria in the pockets where they fester.

新的方式是在牙龈内植入抗菌素或其他能杀死细菌的药物，这些药物可以在产生溃烂的地方杀死细菌。

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They found that colonizing an adult germ-free animal with normal gut bacteria had no effect on their behavior.

FORBES: Thinking With Your Gut. Literally.

The firm recently made headlines by showing that the genome of one bacteria species could be transplanted into a similar one--a step toward making a germ with entirely man-made genes.

FORBES: BP's Biotech Bet