Plastic face shields Source: Engin akyurt on Unsplash As per a new Japanese study, plastic face shields do not control the spread of COVID-19. Simulation was done by Fugaku, the world’s fastest supercomputer and found that almost 100% of airborne droplets of less than 5 micrometres in size escaped through plastic visors of the kind … Continue reading Plastic face shields do not control the spread of COVID-19, study finds