For surveillance, a number of rapid tests on brain samples have been developed and approved by the European Union. These include the Western Blot test, Luminescence immunoassay, and Chemiluminescent ELISA test. | For surveillance, a number of rapid tests on brain samples have been developed and approved by the European Union. These include the Western Blot test, Luminescence immunoassay, and Chemiluminescent ELISA test. |