A cloud of microbes surrounds a person

Bacterial vapor is highly individual

cloud of dust and bacteria

POOF Dust isn’t the only thing surrounding this child: There’s an invisible plume of bacteria, too.  

slobo/iStockphoto

Everyone’s storing data in the cloud these days — including, apparently, people’s microbes.

The bacteria that live in and on a human body form a personal microbial cloud around a person.