Small bacteria or virus some of which are harmful while some are helpful to human body are floating under microscope E Coli cells or ... some are helpful to human body are floating under microscope ...

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The team used a high-powered microscope ... Under normal circumstances, there are populations of bacteria in our gut that are often considered harmful - like E. coli and salmonella.

Illustration of chicken under microscope Illustration by Keith Negley Each year, salmonella and campylobacter from chicken and other food sources infect 3.4 million Americans, send 25,500 to ...

In addition, health officials are investigating a second outbreak tied to a slightly different form of the bacteria, called ...