Man 'lived undetected in Chicago airport for three months'
https://edition.cnn.com/travel/article/aditya-singh-chicago-ohare-lived-three-months/index.html
Rather than worrying about COVID-19, he should be worried about infection with other viruses, due to junk food and bad environment for sleeping.
I wonder why many people can't think about risks with various viewpoints. There are multiple risks for us other than that virus.