Carrie Poppy (of ohnopodcast.com) and Shawna Leonard (on Twitter @endemictoearth) lead Jay on a tour of the CDC's Health House, a spooky... well, it's more scary... actually, it's a horrifying look at how everybody's house is always haunted by millions of invisible bacteria. And during a government shutdown, with the CDC not being funded, who will come to save you? By the way, what's "mersa"?