Environmental HealthPublished 1 May 2025The effectiveness of air-cleaning technologies against COVID-19 transmission in healthcare settingsEnembe Okokon · Moriam Chibuzor · Chisom Ezema · Moses Bernard · Veronica Barde · Angela Oyo-Ita · Martin Meremikwu · WHO ColleaguesFrontiers in Environmental Healthdoi 10.3389/fenvh.2025.1548272