Your Home Is Covered In Bacteria

TIME

If you think your home is a refuge from the gross bacteria of the world, a new study published in Science will burst your antibacterial bubble. Every room in your house teems with bacteria so unique to you and your family that a swab of any room reveals your microbial signature.

Scientists involved in the Home Microbiome Project sequenced bacteria from seven families (pets included) and their homes over six weeks. They swabbed the surfaces of skin, hands, feet, noses, countertops, doorknobs, and nearly every surface with which the residents interacted in their abodes. Turns out, our bodies release bacteria in almost every encounter we have with our environment—when we shed skin, when we yawn, when we open the fridge door. And that germ-sharing happens rapidly. When three of the families in the study moved to a new house, it took less than 24 hours for their new places to…

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