Calcium-rich salt solution FEND can reduce aerosols released by COVID-19 patients by upto 98%, shows study
Myupchar • 4 years agoIt was further found that while masks were able to reduce the large particles FEND, made by Boston-based technology startup Sensory Cloud, was more effective in reducing the smaller particles
COVID-19 precautions: What is a neck gaiter and does it protect you as well as a face mask?
Myupchar • 5 years agoA recent study showed that when a person was wearing a neck gaiter, the transmission of droplets was about 110%