How important is it to scientifically regulate wearing masks? A set of diagrams to give you an intuitive understanding

This round of Omicron mutant BF.7 virus has a high proportion of asymptomatic infections, strong concealment, faster transmission speed, and extremely strong infectivity. Under the current epidemic prevention situation, wearing a mask is still one of the most important and effective means of prevention and control. How important is a mask? A set of pictures will give you an intuitive understanding.

You are not wearing a mask, the confirmed case is not wearing a mask, the chance of infection is 90%.

If you wear a mask and the confirmed case does not wear a mask, the chance of infection is 30%.

If you don’t wear a mask and the confirmed case wears a mask, the chance of infection is 5%.

You wear a mask, and the confirmed case also wears a mask. If you are within 2 meters, the chance of infection is 1.5%.

You wear a mask, and the confirmed case also wears a mask. If the distance is more than 2 meters, the chance of infection is 0.

Remind everyone again, please insist on wearing masks scientifically to protect yourself and others.

Source: Learning Power Beijing Platform