Contact tracing isn't about you. If you were on that flight beside that guy then you now likely have it either way. Tracing is about allowing you to know that

Contact tracing isn't about you. If you were on that flight beside that guy then you now likely have it either way. Tracing is about allowing you to know that you have been exposed so that you can prevent yourself from spreading it to other people. It is about sacrificing some personal privacy in order to protect other people.