ArkBio Wins FDA Clearance for Phase II Flu Prevention Trial of AK0406
Shanghai – October 12, 2026 -- Shanghai Ark Biopharmaceutical (ArkBio) has received U.S. Food and Drug Administration clearance of its investigational new drug application for AK0406, allowing a phase II trial of the long-acting antiviral drug-Fc conjugate for influenza prevention in the general U.S. population.
CDC data shows 24,000 U.S. flu deaths despite vaccines
The U.S. Centers for Disease Control and Prevention reports that the 2025–2026 influenza season caused at least 32 million illnesses, 380,000 hospitalizations and 24,000 deaths in the United States. ArkBio says shifting circulating viruses and variable immune response limit vaccine protection, particularly among older adults and immunocompromised people.