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Medicines Pneumococcal polysaccharide conjugate vaccineQuestion & answer

Pneumococcal polysaccharide conjugate vaccine · Medicine question

Does it work in people with weakened immunity?

iatroX medicinesMedicine guide reviewed 18 August 2026

The answer

Answer

It can still be used when indicated, but immune-suppressing conditions or treatments may reduce the antibody response.

Sources for this answer

VAXNEUVANCE — Current selected SmPCemc · Summary of Product Characteristics
Prevenar 13 suspension for injection — Current selected SmPCemc · Summary of Product Characteristics
UK Government

UK Government · Reputable Web

General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.

The full medicine guide

Pneumococcal polysaccharide conjugate vaccine

Read the wider context, including uses, precautions and the sources behind this medicine guide.

Read the Pneumococcal polysaccharide conjugate vaccine guide

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More questions about Pneumococcal polysaccharide conjugate vaccine

Is this a live vaccine?Can it prevent every case of pneumonia?Can it be given with the flu vaccine?Can it be given during a cold?Who should not receive it?What is the difference between Vaxneuvance and Prevenar 13?