US Patent 11425905 Antimicrobial preventive netting

An antimicrobial preventive netting is disclosed that includes one or more photosensitizers that are capable of generating a cloud of singlet oxygen on each surface and openings through the netting in response to incident light. A depth of the singlet oxygen cloud may be less than 0.7 centimeters from a netting surface. The netting may be supported by screens, enclosures or headgear. The netting can be made by dipping or soaking the netting in a solution of one or more photosensitizers.