A Prospective, Multicenter, Randomized Controlled Clinical Study on the Efficacy and Safety of Xuanfei Baidu Granule in the Treatment of Influenza A

This study is testing a **new medicine called Xuanfei Baidu Granule** to see if it works and is safe for treating *Influenza A*, a type of flu. The study involves **584 people** who will be split into four groups. Each group will get different treatments, including a **placebo** (a fake medicine), Xuanfei Baidu alone, or combined with another medicine called *Baloxavir Marboxil*. Participants will take the granule twice daily for 5 days, and Baloxavir once for 1 day. Researchers will check on participants **daily for 7 days**.

• Participants must be between **18 and 65 years old** and have been sick for less than 72 hours.
• Daily visits for 7 days are required, with **no compensation** mentioned.
• People with allergies, severe illnesses, or recent flu vaccines cannot join.

Joining the study means taking part in daily check-ups, taking medicines as directed, and meeting eligibility criteria. It's important to discuss with a doctor if you are considering participating.