Clinical Multimodal Surveillance of Respiratory Syndrome Pathogens

This nationwide, multicenter observational study will establish and improve a hospital-based clinical surveillance and early warning system for respiratory syndrome pathogens. Clinical data and biospecimens generated during routine care will be collected from participating medical institutions every two weeks to monitor pathogen trends, support risk assessment, and provide evidence for prevention and control measures.

NCT Number	NCT07694648
Lead Sponsor	Huashan Hospital
Conditions	Respiratory Tract Infections (RTI), Respiratory Syndrome, Acute, Severe, Acute Respiratory Infections (ARIs)
Enrollment	2,398 participants
Start Date	2025-09-01
Primary Completion	2028-08-31 (estimated)
Study Completion	2028-09-30 (estimated)
Updated on ClinicalTrials.gov	2026-07-10