At this stage, it is recommended that vaccination with the new crown vaccine be withheld in the following cases: 1. those younger than 18 years of age or older than 59 years of age; 2. those who are allergic to any component of the vaccine, those who have had serious allergic reactions to the vaccine in the past, such as acute allergic reactions, urticaria, skin eczema, dyspnea, angioneurotic edema or abdominal pain; 3. those with fever, acute diseases, serious chronic diseases, those in the acute onset of chronic diseases 4, pregnant and lactating women with birth plans within 3 months of vaccination; 5, those with a history or family history of convulsions, epilepsy, encephalopathy or psychiatric disorders; those with uncontrolled epilepsy and other progressive neurological disorders, those with a history of Grimballi syndrome; 6, those who have been diagnosed with congenital or acquired immunodeficiency, HIV infection, lymphoma, leukemia or other autoimmune diseases; 7 Patients with known or suspected serious respiratory diseases, diabetic complications, liver and kidney diseases, malignant tumors, serious cardiovascular diseases such as hypertension that cannot be controlled by medication; 8. Those who use immunomodulators such as antineoplastic drugs; 9. Those with a history of new coronavirus infection; 10. Those who are considered unsuitable for vaccination by clinicians or vaccination staff. Content source: Dr. You Lai