NTU team's reusable mask can filter 99.9% of bacteria, viruses, Latest Singapore News
Singapore News - Scientists from Nanyang Technological University (NTU) have developed a reusable mask that is able to kill bacteria droplets within 45 seconds and filter 99.9 per cent of bacteria, viruses and haze particles - better than the medical-grade N95 masks used in hospitals. N95... Read more at www.tnp.sg