uzupełniając, ponieważ warto wiedzieć po co i w jakiej sytuacji je stosować (generalne info odnośnie testów z próbką krwi bez odwołania się do konkretnego producenta)
"The test works by
taking a blood sample and testing for the presence of antibodies to see if you have developed an immune response to the virus. Antibody tests differ to
virus swab tests, which test to see if you currently have the virus. An antibody test cannot test if you currently have the virus"
https://www.gov.uk/guidance/coronavirus-antibody-home-test-kit-taking-a-blood-sample