The way people react to vaccines can be quite different. This is due to a mix of genes and outside factors. Let's dive into what we know about how genes play a role in how well vaccines work and any bad reactions that might happen. First off, let's talk about the COVID-19 vaccines. The pandemic gave scientists a big chance to study how genes affect vaccine responses...

In the fight against COVID-19, scientists are using special tests to measure antibodies in people's blood. One such test is the Vaxarray Coronavirus (CoV) seroassay. This test checks for SARS-CoV-2 IgG antibodies, which are made against three parts of the virus: the full-length spike protein (FLS), the receptor binding domain (RBD), and the S2 extracellular domain (E...