Electrospun nanofibrous membrane with antibacterial and antiviral properties decorated with Myoporum bontioides extract and silver-doped carbon nitride nanoparticles for medical masks application

•The rapid degradation of methylene blue within 150 min kept the material clean.•Enhanced filtration efficiency by forming an uneven nanofiber structure.•Exceptional antibacterial properties against E. coli and S. aureus.•Nanofibrous membranes were found to affect the replication and transcription of SARS-CoV-2 virus by molecular docking.•Nanofiber membranes exhibited antiviral activity against H3N2 virus.