It is an ecto-diagnosis reagent for examining an anti-body in blood by using an antigen related to the hepatitis type C virus.

It, manufactured with a virus genome which was separated and refined from the serum of a patient as the main, makes it possible to identify in a scientific way the hepatitis type C virus anti-body the identification of which had been regarded as difficult.

The "HCV-PHA", whose sensitiveness and peculiarity have been confirmed through clinical test, is applied to the public health organs across the country.