After infection, there may be symptoms such as fever, cough, dry throat and sore throat, fatigue, taste and smell abnormalities, and some people have no obvious symptoms after infection. The course of disease is generally 3-7 days. People who have been vaccinated or ordinary young adults have a shorter course of disease and relatively mild illness. The elderly, especially those over 70 years old with underlying diseases, have more complicated symptoms and longer course of disease.

1. If you have fever, headache, sore throat and other symptoms, you can take antipyretic and analgesic drugs.
2. If you have a cough and expectoration, you can use some cough and expectoration drugs.
3. Sore throat and dry throat can take some lozenges.
4. You can use some antihistamines or nasal sprays for a stuffy nose.

How can you prevent COVID-19? 

1. Wear masks scientifically, wash hands frequently and avoid rubbing your eyes with your hands.
2. Try to avoid crowded or closed places and ventilate frequently
3. Vaccination should be taken up to the limit.
4. The diet should be light, eat more vegetables and fruits, eat less spicy and greasy food.
5. Keep a regular schedule and avoid staying up late.
6. Exercise properly to enhance resistance.