The definition of function changes based on what the goals and needs are of each individual. Function may mean being able to get down to the ground and stand up or it may be transferable to sport.

So if we have a group of 100 patients with Covid-19, and the test registers positive for 90 of them, we would say the test is 90% sensitive. A highly sensitive test will correctly pick up most or ...

At this point, you’ve probably taken a COVID test at least once and have some idea of how it all works. Most tests keep it simple: one line means it’s negative; two lines means it’s positive ...