New COVID-19 Antibody Test 'Glows' When Antibodies Are Present
Key TakeawaysA new test can measure the amount of COVID-19 antibodies someone has in a small sample of blood. The method uses an enzyme called luciferase, which is the same enzyme that makes fireflies glow.Not only does it reveal if antibodies are present, but it can measure how much of an antibody response someone currently has. That information could help experts understand how well vaccines are working and how much protection someone has after a natural infection....