A Study to Evaluate the Efficacy and Safety of CT-P27 in Acute Uncomplicated Influenza A Infection

Inclusion Criteria: * Male or Female subjects between the ages of 19 and 64 years, both inclusive * Diagnosed with influenza A at screening using rapid influenza diagnostic test * Onset of influenza symptoms and fever is within 48 hours at screening * At least 2 of symptoms (moderate to severe in intensity) * ≥38.0'C body temperature at screening Exclusion Criteria: * Taking antiviral treatment for influenza or has a history of using these antivirals within 14 days prior to the administration of study drug * Positive influenza B or A+B infection