1. First of all, it should be emphasized that both of them are inactivated vaccines from COVID-19, which have been approved by National Medical Products Administration and have good safety and immune effect. Both can be safely vaccinated.

2. At present, the number of vaccinations has been increasing, and there is generally no adverse phenomenon. It is recommended to vaccinate as soon as possible. The precautions for vaccination of COVID-19 vaccine and common vaccine are mostly the same, and there are no special taboos.

3. If the patient has mild symptoms such as low fever or fatigue after vaccination, it is a normal vaccine reaction and generally does not need treatment. However, due to the serious epidemic situation at this time, it is necessary to take precautions when going out after vaccination.