गोबां बोसोर फारियै जायफोरा इनफ्लुयेनजा भाइरास जाफिननाय होबथानाय खामानि-मावनाय मोनब्रै एन्टिभाइरेल मुलैफोरा मोनथावना जाबोबाय।
For several years, four antiviral drugs that act by preventing influenza virus replication have been available.