antiviral drug herpes simplex antiviral meds for stomach flu Lopinavir ritonavir coronavirus are antiviral drugs safe during pregnancy. what does antiviral medication do, anti viral drug used for influenza. what are antiviral medications antiviral medication for shingles dosage bet 1c87_ac , what do antiviral meds do for shingles coronavirus cure what does a antiviral drug do corona virus has cure bet.