LONDON : Scientists at the University of Cambridge working with an anti-viral coating technology called DioX believe that it could protect facemask users by killing the deadly coronavirus in as little as an hour.According to ‘The Daily Telegraph’, the invisible coating on facemasks attacks the virus by rapturing its outer layer, effectively eliminating all new mutant variants, including the UK’s so-called Kent variant and the South African variant."The antiviral agent within the coating of the mask kills the virus by breaching its protective outer membrane, which is known as its envelope.