Because this "training infection" incident happened in Wuhan.

Wuhan education department attaches great importance to it. It is understood that in Wuhan Middle School, Hubei Wuchang Experimental Middle School and other schools, except senior three students, senior one and senior two students have attended online classes at home after completing nucleic acid testing.

In the past two years, it has persecuted all over the world. It is worth mentioning that with the excellent control of the government and the active cooperation of the people, the haze hanging over China can be completely dissipated in a few months or even less.