Traditional TB testing takes up to 24 days to get results in a petri dish.
This company has new technology that accelerates those results to as little as 4 days.

http://nanologix.com/test_results.html

"Just out of curiousity, do you have pre-arranged meeting areas if there IS a big emergency? Do you have 72 hours of food and water at your house?"

No ... But our meeting place was gonna be at your house, so it sounds like we should be all set!