There is a new test for corona antibodies. The manufacturer of the test claims the following features of the test.
Sensitivity of the test is 93 %, which means in 93% of the cases where an infected person receives a postitive result from the test, the person is actually infected (true positives) and in 7% of the cases, the test provides false negatives. An infected person recieves a negative result from the test:
Specifity of the test is 90 %, which means in 90 % of the cases where a non-infected person receives a negative result form the test, the person is actually not infected (true ngatives) and in 10 % of the cases, the test provides false positives. A non-infected person receives a postive result from the test but is actually not infected.
Virologists estimate that during the pandemic 1 % of the population is infected.