There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

Several types of antibody-mediated diseases are known. Some are thought to be adverse effects of vaccination, which is logical since vaccines, by definition, cause their effects via stimulation of the ...

(CNN) -- One is widespread but has key shortages across its supply chain. One remains questionably reliable and is only helpful after the fact. And one is still early in development -- but could speed ...

As a basic description, an antibody can be described as any molecule that has epitopes (antigenic sites) that fit with corresponding antibodies, initiating an immune response. Antigens come in many ...

Immunoassays are methods for detecting and quantifying analytes within a biological sample based on specific antigen-antibody reaction. They have been widely used in scientific research and ...

Aliphatic aminocarboxylic acids inhibit at least two different antigenantibody reactions. The degree of inhibition depends upon carbon chain length and the position of the amino group in relation to ...

Testing for the coronavirus has been very much in the news. The first and most urgent focus is on increasing access to tests to diagnose people with current infections. But now other tests are ...