He said neck masks are a good choice for young children or people who may not be suitable for traditional masks.
In the video, Sanders uses a mannequin to simulate a cough. He said that visualization does not directly track the spread of virus particles, but it can help people discover risks that were otherwise invisible. You can watch the video at go.captimes.com/mask.
Sanders said: “The mask has two aspects: personal protection or reducing the amount of air droplets inhaled by the wearer, and source control, which includes the wearer̵
He said that self-made cloth masks with nose bridges can provide effective source control, which in turn can improve public health.