To start, this coronavirus is a new virus, which means our immune systems have never encountered it before. It’s different from the seasonal flu. Therefore, even a simple mask is very effective at trapping droplets from your coughs and sneezes. Without the masks, the infected people exhaled contagious droplets and aerosols, tiny particles that linger in the air. Therefore, wearing this when you’re out in the open is really important. Popular Mask suppliers in .