Sunday, October 17, 2021

surgical masks

N99 mask 100 per cent Covid-proof!

The use of high-grade face masks sees 100 per cent protection against direct, ward-based Covid-19 infection, says study

Study measures effectiveness of different face mask materials when coughing

Previous studies have only looked at a small selection of fabrics when the wearer is breathing normally, when particles are expelled at a lower speed.

Blue Dart strengthening logistics infra for pharma

Keen to support large-scale vaccine development and production happening in Hyderabad

Latest News

- Advertisement -