It is not recommended to take vaccination if you have a cold, even if the symptoms of the cold are mild, it is better to wait until the cold gets better. For younger patients, special attention should be paid to the fact that if the vaccination is given when you have a cold, it will affect the antibodies, which will not prevent the disease, and it may aggravate the adverse reaction and the symptoms of cold, which may cause fever and general malaise, and you can usually go for the vaccination after the cold gets better. Usually there is no cold when the vaccination, there may be a general feeling of malaise, there is the phenomenon of low fever, generally do not need to use medication, you can first pay attention to rest, drink more water, most of them will be improved.