The minute that you see the faint line appear on your rapid COVID testing strip you should start to worry about it. The test itself says on the box that even a faint line means that the test is registering as a positive test. Therefore, you are going to want to get yourself tested more officially at a health department as soon as possible after something like this occurs.
There are only so many things that you can do when you are faced with the reality of your positive COVID test. You must react quickly to make sure you are getting yourself in a better position with this kind of result.
Make sure you take a faint line on your COVID test seriously. It is something that is trying to indicate to you that there is a real strong likelihood that you have had a positive test result with your COVID test. This means that you need to react immediately to get the kind of care that you need and that you deserve when dealing with a test like this. COVID is still very much around and very serious. Treat it as such.