People who received blood transfusions or clotting products between 1977 and 1985 (prior to when screening for the virus became standard practice)

Palliative therapy: some clinical therapy can quickly remove warts, but there is no therapeutic effect on virus, and acuteness wet wart cure standard to wart disinfect, regular reexamination.

Objective Antigenic analysis and molecular biology studies on those strains of influenza a (H3N2) virus which could not be identified by standard serum of the current year.