Non-randomized, multicenter, open, fixed-dose, single group, joint study to determine the efficacy and safety of Maoto for Influenza

INTERVENTION: Test drug: Tsumura Mao‐to extract granule for prescription Normal adult dose is 7.5g p.o. in 2‐3 divided doses, before or between meals. Duration of administration: 5 days CONDITION: Influenza Type A and Type B PRIMARY OUTCOME: 1. Symptoms of Influenza; 1) fever clearance time ; 2) other symptoms (nasal discharge, nasal obstruction, sore throat, cough, muscle ache, arthralgia, lethargy or fatigue, headache); 1. Laboratory test for virus INCLUSION CRITERIA: 1) Patients with a fever >38.0C or >37.5C at the time of admission, or >38.0C within 4 hours of admission 2) Patients who tested positive on Rapid Influenza Diagnostic Test 3) Patients with influenza symptoms within 48 hours of onset 4) Age: between 20 ‐ 65 y/o (at the time of acquisition of consent) 5) Gender: no specification 6) Consultation method: outpatient 7) Patients who can provide a written consent