It is generally recommended that you should not eat eggs until at least 2-3 days after vaccination. After vaccination, the body has to produce an immune response, and the sensitivity becomes higher than usual, making it easy for allergic symptoms to occur, and eggs are one of the most common allergens for children. After vaccination, it is easy to secondary new viral and bacterial infections, and at the same time the digestive function is also reduced, the diet should be light, should not eat food that is not easy to digest. Eggs are relatively high in fat, which may cause digestive symptoms such as nausea, vomiting, loss of appetite, and in severe cases, abdominal pain, bloating, diarrhea, and so on.