Provider of Serology ELISAs & IMMUNOBLOTs. TestLine Clinical Diagnostics Ltd. (TestLine) is engaged in development, manufacturing and distribution of ELISA kits and Immunoblots for both human and veterinary diagnostics. Their broad spectrum of in vitro diagnostics and knowledge in the field of laboratory automation allows them to solve the individual needs of each microbiology and immunology laboratory. TestLine has more than 200 products on offer primarily focused in the field of infectious serology and immunology.