Tridecavalent pneumonia vaccination is given once at the 2nd, 4th, 6th, and 12th to 15th months of age. Tridecavalent Pneumonia Vaccine is a vaccine for the prevention of pneumonia in infants and young children. It can be given once at 2, 4, and 6 months of age to achieve basic immunization, and then a booster vaccination is given at 12-15 months of age. After receiving the 13-valent pneumonia vaccine, babies may have some adverse reactions related to the vaccine, such as localized red rash and hard nodules at the injection site, followed by fever, nausea, vomiting, abdominal pain, diarrhea, dizziness and other adverse reactions, which are normal manifestations of the vaccine’s functioning in the body. Generally, such symptoms last for a relatively short period of time, and they do not require any special treatment, and they can be relieved on their own. Before vaccination, it is necessary to make sure that there is no fever, rash, abdominal pain, diarrhea, etc., which are not suitable for vaccination, and you can consult your doctor before vaccination.