The baby a little cough can not be vaccinated, the purpose of vaccination is to activate the immune system of the child, so as to produce protective antibodies in order to resist the invasion of pathogens, only in the state of health of the child can be injected vaccination. Because the child will appear after vaccination side effects, some children will appear fever or cold-like reaction, such as cough, cough sputum and other symptoms, under normal conditions after vaccination, there are these states, side effects do not have to deal with, usually can be improved within 3 days, disappear, if in the coughing state of the vaccination, these side effects such as fever will form the phenomenon of hyperthermia, coughing, coughing and sputum will be aggravated If you are coughing, these side effects such as fever will form high fever, coughing and sputum will be aggravated, which will affect the health of the child and the effect of vaccination, so you can’t take vaccination during the coughing period.