[The new chemical preparation arbidol: its prophylactic efficacy during influenza epidemics].

In four controlled observations on the organized groups of students and industrial workers during the epidemics of influenza A in 1988-1989 Arbidol, a new chemopreparation, was found to be well tolerated and to produce a pronounced prophylactic effect when administered in a dose of 0.2 g (2 tablets of 0.1 g) daily for 10-18 days. After the 18-day prophylactic course of Arbidol the induction of serum interferon was found.