1. For the treatment of influenza A and B in adults and children aged 1 year and older (oseltamivir phosphate can effectively treat influenza A and B, but there are not many clinical application data of influenza B). Patients should use within 4 to 8 hours of the first onset of symptoms.
2. It is used for the prevention of influenza A and B in adults and adolescents aged 1-3 years and older.