“…This therapy generates signi®-cant T-cell responses to SK (Bruserud et al, 1986(Bruserud et al, , 1992Bruserud, 1990;Youkeles et al, 1991) and causes Ab titers and the neutralizing capacity of the Ab to rise signi®cantly (Lynch et al, 1991(Lynch et al, , 1994Elliot et al, 1993;Lee et al, 1993;Patel et al, 1993;Parhami-Seren et al, 1995). The neutralizing Abs reduce the ef®ciency of thrombolytic therapy (Massel et al, 1991) and may cause allergic reactions ranging from fever to immune complex disease to anaphylactic shock (Davis et al, 1990;McGrath & Patterson, 1984;McGrath et al, 1985;Schweitzer et al, 1991).…”