First of all, it is generally not recommended to eat fish before and after vaccination. Fish is a kind of food that easily causes human allergies. Generally, allergy after vaccination has a great relationship with foreign protein allergy. Therefore, it is recommended not to eat fish temporarily after vaccination, so as not to cause allergies and affect children's health.
Secondly, the vaccination after the baby is born is mainly to prevent diseases. It is not allowed to vaccinate during illness, and it is not allowed to get wet in a short time after vaccination. Usually need to strengthen physical exercise, pay attention to nutrition in diet, and don't eat too greasy or spicy food. You can drink more boiled water.
Finally, if you have been vaccinated, you'd better eat fish a few days after vaccination, because fish is very blessed and easy to have adverse reactions after eating. After vaccination, the human body will generally have an immune response, so it is best to eat light food these days. In addition, if there are adverse reactions after vaccination, you need to see a doctor as soon as possible.