virus has spread. Until now, most tests could tell only whether they’re present. The newer ones go a step further, measuring the quantity of these proteins, which are raised by the immune system to disable viral invaders.The level of the body’s response is important in determining whether patients will develop immunity.
It’s also key to determining the effectiveness of vaccines as developers bring promising candidates into late-stage trials.“You need a test that shows whether a vaccine has triggered the right level of antibodies in a patient’s blood," said Deepak Nath, president of laboratory diagnostics at Healthineers. “It’s important to say how much of it you have."Vaccine TrialsModerna Inc.