It's called cross-contamination. A former ER nurse in Michigan has put a video together to show just how many people forget about cross-contamination when doing something as simple as going to the grocery store.

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In the video, Molly Lixey, of Saginaw, Michigan, uses paint to represent germs. She 'shops' and touches toilet paper, then she gets a text message, then her nose itches, then she shops a bit more, then her phone rings. Before long, Lixey shows just how many germs have spread just from touching grocery items and touching her cell phone; and just how many of those germs are on her face.

It's not new if you think about it. Germs are everywhere; but that's not Lixey's point.

"Look, this is called cross-contamination. There's no point in wearing gloves if you're not going to wash your hands every time you touch something," Lixey said.

Lixey says that fear of COVID-19 is making everyone "crazy" and "not acting very smart."

"Don't touch your face. Don't touch your dirty phone," Lixey said.

MORE INFO: 7 easy ways to stop touching your face



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