The prevention of influenza virus infections by the use of vaccines remains the most cost-
effective and practical method of influenza virus control, but the use of antiviral prophylaxis
and treatment in certain populations or high-risk individuals is also possible. Four antiviral
durgs are currently licensed in the United States for the treatment and/or prevention of
influenza virus infection in children. The M2 blockers,(amantadine and rimantadine) have
been licensed for the prophylaxis and treatment of influenza in diverse high-risk populations …