Efficacy of Antimicrobials Against Enveloped and Non-Enveloped Viruses on Porous Materials: A Review

Fomites are common vehicles for viral transmission. Most studies on virus disinfection have focused on non-porous, hard surfaces, with few investigating porous materials. This review addresses two research questions: (1) What affects viral viability on reusable porous materials? (2) Which antimicrobials effectively target viruses on these materials? Among existing studies, viral persistence on reusable porous surfaces was influenced by several factors, including viral envelope status, virus subtype, material type and structure, temperature, relative humidity, deposition method, and transmission medium. Disinfectants evaluated included ultraviolet irradiation, steam, chlorine, quaternary ammonium compounds, alcohols, glutaraldehyde, silver, and peroxide-based agents. Chlorine and steam were most effective; glutaraldehyde and peroxides showed limited action against non-enveloped viruses. Viral persistence and disinfection efficacy on reusable porous materials are influenced by multiple factors, highlighting the need for robust environmental management and infection control practices. Lack of standard tests and long-term disinfection effects on material integrity remain key challenges needing further study.