In one sense it is meant to include a specimen or culture; on the other hand, it is meant to include biological and environmental samples. Biological samples include blood products, such as plasma, serum and the like. Biological samples may be animal, including human, fluid, solid or tissue...
In some embodiments, the invention encompasses detecting and/or quantitating a humoral immune response against the antigenic or immunogenic agent, e.g., the prM-E protein of a flavivirus, of a vaccine formulation of the invention in a sample, e.g., serum, obtained from a subject who has b...