A positive test meant that you were just waiting to die.
But now, the tests do not mean as much to her.
Bacteria come and go, so a test last month does not mean the water is clean now.
But a positive test result always means that the mother is infected.
A third positive test during a player's career means a suspension without pay for at least one year.
I became fascinated by what the tests meant to these scientists.
Despite the arguments in the academic medical community about what the test means, most men are still having it done.
Failing the test would mean a student could not advance into the upper levels of college.
We don't know what a true positive test means.