https://www.thelancet.com/action/showPdf?pii=S0140-6736%2820%2931183-1

research analysis shows that wearing masks are 67-96% effective at reducing the risk of infection (depending on the type of mask).  Social distancing of at least 1m reduces the rate of transmission of the virus 82% and wearing eye protection reduces it by 78%.

Let's use evidence-based decision making and protect our workers.