Air pollution can inflame the respiratory tract, reducing your lungs’ ability to defend against pathogens and increasing susceptibility to pneumonia. Prolonged exposure to pollutants can also weaken immune function, leaving you more vulnerable to infection. The pneumococcal vaccine helps strengthen your lung defences and lowers the risk of pneumonia and related infections. It protects against Streptococcus pneumoniae — a major cause of severe pneumonia, meningitis, and bloodstream infections. Bo

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