Whether or not a person with chronic gastritis can have a booster shot of the New Crown Vaccine depends on the stabilization of the patient’s own condition. Chronic gastritis can be treated with a booster shot during the stabilization period because it will not aggravate the patient’s condition. If chronic gastritis is in the acute attack stage, it will be accompanied by abdominal pain, abdominal distension, vomiting and other symptoms, during this period of time to receive the new crown vaccine booster injection will not only affect the efficacy of the vaccine, but will also affect the recovery of the disease, the emergence of the vaccine after the adverse reactions, such as fever, headache, skin allergies, swollen and painful inoculation site, and so on. If you are suffering from chronic gastritis, you should go to the hospital as soon as possible, consult with your doctor and take his/her advice to determine whether you are eligible for a booster vaccination.