Everything is okay. Taken from Condoleeza Rice's account of a feared biological poisoning that took place during George W. Bush's presidency. While waiting for test results she was told by an assistant "if the mice are feet down" (meaning the mice were up and walking) then they would live. If the mice were feet down - they were dead.
"Dude! I heard you got seriously poisoned by the school food today."
"Nope. The mice are feet down. I'm doing just fine.