The second vaccination interval in COVID-19 and the second vaccination interval in COVID-19.

1. The interval between two doses of COVID-19 vaccine is 2 1 day, and the second dose should be inoculated after 2 1 day.

2. After the inoculation is completed, you need to stay in place for 30 minutes; Keep the injection site dry on the day of inoculation, pay attention to personal hygiene and arrange rest properly. No bathing and strenuous exercise on the day of inoculation. Avoid eating food that you haven't eaten at ordinary times within one week after inoculation. Try not to drink alcohol, spicy food or seafood. It is recommended to have a light diet and drink plenty of water.

3. The recommended immunization program for novel coronavirus vaccine is 2 shots, with an interval of 2-4 weeks, and vaccination is carried out according to the interval stipulated in the vaccine instructions. Inoculation interval can't be advanced, because inoculation can't be delayed in time. It is recommended to vaccinate as soon as possible for protection.