Despite all the evidence face masks help protect us and others from coronavirus exposure, we occasionally run into doubters. This short animation vividly shows how even a simple mask works to reduce the virus spread.
Source: The New York Times, October 30, 2020. Link. The public health debate on masks is settled, said Joseph G. Allen, director of the Health Buildings program at Harvard. When you wear a mask, “your protect yourself, you protect others, you prevent yourself from touching your face,” he said. And you sign that wearing a mask is the right thing to do.