Serimmune claims their test works very well compared to ELISA. It has a high “specificity” (true negative): when they say a sample doesn’t have COVID, they’re almost always right. In fact, when they applied their test to samples taken before the pandemic, every single time they correctly ruled out COVID. | Serimmune claims their test works very well compared to ELISA. It has a high “specificity” (true negative): when they say a sample doesn’t have COVID, they’re almost always right. In fact, when they applied their test to samples taken before the pandemic, every single time they correctly ruled out COVID. |