vamtam-theme-circle-post Category News Summer 2021: Tested, Vaccinated – All Safe? 27/06/2021 As normality returns Incidences in many countries are at a new low. Mandatory masks:... Tags Air, Bacteria, Care Facility, Certified, Corona, Coronavirus, delta, delta mutant, delta variant, Effective, Filtration, Health, Health Risk, HEPA, HEPA, Importance, Indoor air, Innovation, LED, Pandemic, Photocatalysis, Photocatalysis, Photocatalytic, Protection, Purification, Purifier, Security, UV-A, UVA LED, Vaccination, Vaccines, Ventilation, Virus Read More