Global Flu Treatment Market – Analysis and Forecast (2025-2030) Industry Insights by Type (Type A, Type B, Type C), by Route of Administration (Oral, Parenteral, Others), by Medication (Analgesics, Antiviral Drugs, Antihistamines, Others), by End User (Hospitals, Specialty Clinics, Others), by Distribution Channel (Hospital Pharmacy, Retail Pharmacy, Others), and by Geography (U.S., Canada, Germany, U.K., France, China, Japan, India, and Rest of the World)