Rui-Juan Ji

Influenza vaccine protection and contact patterns among outpatients with influenza-like illness during the 2024–2025 season in China: a test-negative case-control study

Background Continuous monitoring of both influenza vaccine protection and behavioural determinants of infection is important for understanding related risks. Evidence on influenza vaccine effectiveness (VE) in China during the 2024–2025 season, however, remains limited. We aimed to assess influenza VE among healthcare-...