When should the pneumonia vaccine be administered?
Apr 19, 2022
Source: Cainiu Health
Dr. Zhang Weiling
Introduction
From an age perspective, pneumococcal vaccination should be administered before the child reaches 2 years of age. Generally, protective antibodies induced by the vaccine last for at least five years. Note that only a single dose of the pneumococcal vaccine is required—except for immunocompromised individuals, who may need a booster dose five years after the initial vaccination.
The pneumococcal vaccine is primarily designed to prevent pneumonia caused by *Streptococcus pneumoniae*. Pneumococcal infection is a leading cause of mortality worldwide and a major etiological factor in pneumonia, meningitis, and otitis media.
Regarding timing of vaccination, the pneumococcal vaccine may be administered at any time of the year and can be co-administered with the influenza vaccine—no specific seasonal window is required. For convenience, multivalent pneumococcal vaccination may be scheduled during routine annual health examinations or outpatient visits.
From an age-based perspective, infants should receive the pneumococcal vaccine before reaching two years of age. Following vaccination, protective antibody levels typically persist for at least five years. Notably, only a single dose is generally required—except for immunocompromised or otherwise medically vulnerable individuals, who may require a booster dose five years after the initial vaccination.
The pneumococcal vaccine is administered via intramuscular injection into the lateral deltoid muscle of the upper arm or, alternatively, via subcutaneous injection. A single dose is usually sufficient, conferring antibody-mediated protection for 3–5 years. Vaccination is appropriate year-round. Some children may experience mild, transient adverse reactions following vaccination, such as localized pain at the injection site, or mild erythema and tenderness—these symptoms typically resolve spontaneously within 2–3 days.
