The bacteria that causes pneumococcal disease are actually present in the body of up to 90% of healthy people, depending on the population and setting.3
Risk areas for Pneumococcal Disease
FAQs
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Key fact
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How do you get pneumococcal disease?
By aerosol (breathing in the bacteria from the air), droplets (sneezing/coughing) or direct contact with the respiratory secretions, like saliva and mucus, of someone carrying the bacteria.4,5 Usually, transmission requires frequent or prolonged close contact.4
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Which countries are affected by pneumococcal disease?
It is possible to contract pneumococcal disease anywhere in the world, but it is more common in developing countries.6 The disease is more common during winter and early spring.1
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What are the symptoms of pneumococcal disease?
There are many types of pneumococcal infections. Symptoms vary depending on which part of the body is infected.7
Infection in the lungs (pneumonia) can cause fever, chills, cough, breathing difficulty and chest pain.7 Pneumococcal meningitis occurs when bacteria infect the lining of the brain, which can cause headache, stiff neck, fever, confusion and sensitivity to light.7 An infection in the blood can lead to fever, chills and low alertness.7 Infection in the ear is associated with ear pain, swollen ear drum, fever and sleepiness.7 Finally, infection in the sinus is associated with headache, stuffy or runny nose, pain or pressure in the face, mucus buildup in the back of the nose and throat, bad breath, cough and sore throat.7
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How serious is pneumococcal disease?
Most pneumococcal infections are mild. However, pneumococcal disease can result in long-term problems and, in severe cases, could be fatal.7
Pneumococcal pneumonia can result in infection around the lungs and into the chest cavity, inflammation of the heart, and obstruction of the airways.7 Pneumococcal meningitis can cause hearing loss and developmental delay.7 About 1 in 12 children and 1 in 6 older adults who get pneumococcal meningitis die of the infection.7 Infection of the blood can lead to loss of limbs.7 Ear infections are more common and usually mild, and complications are rare following a pneumococcal sinus infection.7
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Can I prevent getting pneumococcal disease?
You can take the following precautions to help reduce your risk of infection:
- Visit your nearest convenient pharmacy or specialist travel health clinic for a risk assessment before your trip
- Wash your hands thoroughly and regularly, especially after touching your face and before handling food8
- Coughing and sneezing into a tissue, and then disposing of it and washing your hands immediately8
- Not sharing cups or kitchen utensils with others8
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References
- Centers for Disease Control and Prevention. Pinkbook. Chapter 17: Pneumococcal Disease. May 2024. Available online: https://www.cdc.gov/pinkbook/hcp/table-of-contents/chapter-17-pneumococcal-disease.html. (Last accessed March 2026).
- GOV.UK. Countries defined as developing by OECD. April 2021. Available online: https://www.gov.uk/government/publications/countries-defined-as-developing-by-the-oecd/countries-defined-as-developing-by-the-oecd. (Last accessed March 2026).
- Centers for Disease Control and Prevention. Pneumococcal Disease: Clinical Overview of Pneumococcal Disease. February 2026. Available online: https://www.cdc.gov/pneumococcal/hcp/clinical-overview/. (Last accessed March 2026).
- UK Health Security Agency. The Green Book. Chapter 25 – Pneumococcal. June 2025. Available online: https://assets.publishing.service.gov.uk/media/684b1fbc1c8d5c94e201abae/Green_Book__Chapter_25_pneumococcal_12_6_25.pdf. (Last accessed March 2026).
- Centers for Disease Control and Prevention. Pneumococcal Disease: About Pneumococcal Disease. February 2026. Available online: https://www.cdc.gov/pneumococcal/about/. (Last accessed March 2026).
- Centers for Disease Control and Prevention. Pneumococcal Disease: Pneumococcal Disease Surveillance and Trends. February 2026. Available online: https://www.cdc.gov/pneumococcal/php/surveillance/ (Last accessed March 2026).
- Centers for Disease Control and Prevention. Pneumococcal Disease: Pneumococcal Disease Symptoms and Complications. February 2026. Available online: https://www.cdc.gov/pneumococcal/signs-symptoms/. (Last accessed March 2026).
- NHS Inform. Pneumococcal Infections: Preventing Pneumococcal infections. January 2026. Available online: https://www.nhsinform.scot/illnesses-and-conditions/infections-and-poisoning/pneumococcal-infections/#preventing-pneumococcal-infections. (Last accessed March 2026).
UK-BOTB-2400001 (v2.0) March 2026