Biofilm is a major exist form of bacteria in nature.

自然界细菌主要以生物膜形式生存。

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Experts say people with the NDM-1 form of bacteria in their body can remain healthy.

专家称，携带NDM - 1细菌的人能够保持健康。

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In its simplest form, bacteria use quorum sensing to keep track of their neighbours.

最简单的例子，细菌用群体感应与他们的邻居保持联系。

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But Legionella bacteria can cause a form of pneumonia in people with weakened immune systems.

VOA: special.2011.04.06

He said this was a "first step" towards "eventually using these bacteria as prevention or treatment of obesity and Type-2 diabetes" and that some form of bacteria-based therapy would be used "in the near future".

BBC: 'Weight loss gut bacterium' found

The Centers for Disease Control says five people have died from infection with Vibrio vulnificus, a form of the bacteria that causes cholera.

CNN

The CDC said that five people who survived Hurricane Katrina in New Orleans died after becoming infected with Vibrio vulnificus, caused by a form of the bacteria that also causes cholera.

CNN: Officials: Chemicals bigger concern than cholera