1. If the vaccinator has a cold, fever, diarrhea and other unwell symptoms before vaccination with COVID-19 vaccine, he should not be vaccinated until the symptoms are cured. If a person has the above symptoms or diseases such as heart, liver and kidney, he should inform the doctor so that the doctor can give appropriate vaccination advice after scientific evaluation. After vaccination, stay in place for 30 minutes to ensure that there is no discomfort. On the day of inoculation, avoid water on the injection site, and pay attention to keep the injection site clean and hygienic to prevent the infected skin. Do not eat spicy and seafood food within 3 days after inoculation, and avoid drinking alcoholic beverages.

2. Precautions before vaccination in COVID-19: Make clear whether you are suitable for COVID-19 vaccination. If you are a taboo population, don't vaccinate, so as not to affect your health; Don't take any medicine before vaccination, so as not to affect the effect of the vaccine. 24 hours before inoculation, avoid strenuous exercise, fatigue and alcoholism. Before inoculation, it is best to put on loose clothes and keep the inoculation site dry and clean. If the vaccinator has high fever, convulsion, urticaria and other reactions after the previous vaccination, he should inform the doctor before vaccination. Precautions after vaccination in COVID-19: You need to observe at the vaccination site for half an hour and leave without any discomfort. If you have any obvious discomfort after coming back, you need to go to the hospital to consult a doctor in time; The inoculation site needs to be kept clean and dry, so the general doctor will advise not to take a bath within 24 hours to avoid inflammation or cold caused by water contact with the inoculation site. Within a few days after vaccination with COVID-19 vaccine, it is recommended not to drink alcohol as much as possible. After all, alcohol is an irritating drink, in case drinking affects the effect of the vaccine, or the discomfort of drinking masks the side effects of the vaccine. Before injecting COVID-19 vaccine, you must pay attention to whether you are a taboo group, and if you feel unwell, you must inform your doctor in time.