Clinical study on the efficacy evaluation of traditional Chinese medicine auricular point acupressure in alleviating pain, fatigue and gastrointestinal adverse reactions after injection of novel coronavirus-19 vaccines

INTERVENTION: Auricular point acupressure group:Bilateral, symptom‐specific, traditional Chinese medicine auricular point acupressure;Sham auricular point acupressure group:Bilateral, none symptom‐specific, sham, auricular point acupressure;Blank control group:Non‐intervention blank control; CONDITION: pain, fatigue and gastrointestinal adverse reactions after injection of novel coronavirus‐19 vaccines PRIMARY OUTCOME: VAS score of pain at injection site;VAS score of headache;VAS score of muscle and joint pain;VAS score of fatigue;VAS score of nausea;VAS score of retching;VAS score of vomitting;VAS score of diarrhea; INCLUSION CRITERIA: 1. Vaccinators meets the conditions of coronavirus‐19 vaccines injection and has no contraindications to it. The details shall be subject to the instructions of the coronavirus‐19 vaccines used and the statement of medical institutions. The first dose of coronavirus‐19 vaccines injection shall be completed within 24 hours from the time of injection to the time of enrollment; 2. No redness, swelling, injury or infection of the skin or soft tissue of both ears, which is not suitable for auricular points plasters sticking; 3. No history of alcohol and adhesive tape contact allergy; 4. Aged 18‐59 years old; 5. Those who were able to complete the questionnaire independently at the time of the first and second dose of vaccine and on the 3rd, 7th and 15th day after the first and second dose of vaccine respectively; 6. Those who agree to participate in the trial and sign the informed consent, and can seriously abide by the precautions after the injection