Aug. 14, 2026 -- Shanghai Ark Biopharmaceutical Co., Ltd. ("ArkBio") today announced that the U.S. Food and Drug Administration (FDA) has approved ziresovir (AK0529) for a phase II clinical trial in the severely ill RSV infected infant patients, including the ones in pediatric intensive care unit (PICU).
RSV is the leading pathogen of lower respiratory tract infections (LRTIs) in infants and young children globally, causing approximately 33 million LRTI cases, 3.6 million hospitalizations, and m