Focus Diagnostics is the pioneer and also the leading manufacturer in the area of diagnostics of rare infective diseases. They offer kits for ELISA, IFA, IHA, complement binding reaction, Western-blot and immunoblot diagnostic methods. They acquired ISO 9001 certificate and they have FDA licence for production.

Their programme includes some especially interesting diagnostic tests for the following infective agents: Epstein-Barr virus, Herpes simplex 1 and 2, Leptospira, Borrelia, Bartonella henselae and B. quintana, Richettias (Q fever, R. conorii, R. typhi, R. richettsii), Erlichia chaffensis, HGE, Babesia, Legionella.

Since 13th of May 2016, Focus Diagnostics, Inc. is a part of DiaSorin Group.