[Byte1]

So, you go to CVS and take your test. Two days later, you receive your results and they indicate "Negative." Two days ago, after testing you go shopping at Publix and stop to chat with a friend you bumped into. That friend was infected. You receive your test results in the mail today indicating that you are "negative" for covid. That was two days ago. So, you brag to everyone that you tested "negative" so you can do whatever you wish, including going on a cruise. The cruise folks read your negative test results and allow you to board the ship, along with thousands of others that had their tests two days prior. Guess what?
In order to start working at a job they require a negative test. You received your test from two days prior testing and start work today. For the last two days, you stopped to chat with a neighbor that was walking her dog. You also went grocery shopping. You went out to dinner with some friends. You started work today after being tested two days ago. Guess what?
Testing negative is only good for the time you were tested, minutes before being in contact with anyone else that may be infected.
My opinion is that Covid testing is only good as a diagnostic for doctors to know what to treat, just like testing for the Flu or TB, etc.