Usually, you should do more physical exercise to enhance your resistance. You can get up early every day and do running training on the playground. Although the weather is very cold, you should always go out for a walk, and don't always stay indoors, because there are many viruses indoors, which will be very unfavorable to your personal development. Pay attention to your diet and eat more vegetables, because there is still a lot of water in vegetables, which can be good for your health. You should always eat more fruits to fight the virus.
When you find some symptoms in your body, you should go to the hospital for examination in time, and don't wait until the situation is serious.