Thousands of unknown viruses and bacteria are swimming on subways around the world, scientists have found


Just when you thought it was safe to get back on the subway, new research reveals there are thousands of mysterious viruses and bacteria infesting public transportation all over the world.

They found 31 bacteria species present in nearly every locale—including ones that cause body odor and acne—forming  a ‘core urban microbiome.’

Beyond that, each city had a distinct microbe ‘fingerprint’ comprised of dozens of microbes found in nearly every sample.

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