One more thing, besides preventing others from infecting you, you should also pay attention to cold and warmth, and put on more clothes. Because it is cold in winter, it is easy to accidentally turn into a cold. Effective warmth can prevent yourself from catching a cold.
In your spare time, you must often exercise, and at the same time, you must often work. As a student, you should rest more, sleep more, and don't often stay up late. When your body becomes stronger, your body's resistance and immunity will go up, and it will also play a certain role in preventing others from being infected.
Finally, we should pay attention to a richer diet, and eat more fruits and vegetables, all kinds of meat, seafood, bean products and mushrooms. In other words, as long as it is good for the body, it is necessary to take a small amount to ensure the nutritional balance of the body, which can not only enhance the physique, but also prevent various diseases from invading the body.