1, the epidemic situation is severe, universities in Shandong have an early holiday, the earliest holiday is February 9, 2022, and universities should also have an early holiday this time. 1.

If college students have a holiday in normal time, it will be Spring Festival soon, and then the migrant workers will return home. When a large number of people are crowded together, it will not only increase the pressure of Spring Festival travel rush peak, but also increase the possibility of infection. In case of a large-scale outbreak, so many people will spread to all places at once, which will have a great impact on all places and medical institutions.