Meningitis B: Comprehensive Overview
Meningitis B, also known as meningococcal group B disease, is a serious bacterial infection caused by the bacterium Neisseria meningitidis group B. It primarily affects the brain and spinal cord, leading to inflammation of the meninges (the protective membranes covering the brain and spinal cord). Without prompt treatment, meningitis B can lead to severe complications or death.
What is Meningitis B?
Meningitis B refers to the specific type of meningitis caused by the Neisseria meningitidis group B bacteria. It is one of the most common strains of bacterial meningitis globally and is highly aggressive. Meningitis B predominantly affects infants, young children, teenagers, and young adults.
Signs and Symptoms of Meningitis B
The symptoms of meningitis B can develop rapidly, often within hours or a few days after infection. Recognising these symptoms early is crucial to ensure timely medical intervention.
Early Symptoms:
- Fever, often with cold hands and feet.
- Severe headache.
- Nausea and Vomiting
- Muscle pain and fatigue.
- Irritability or difficulty waking in infants.
Advanced Symptoms:
- Stiff neck (a hallmark symptom of meningitis).
- Sensitivity to light (photophobia).
- Confusion or difficulty concentrating.
- Seizures in severe cases.
- Rapid breathing or shortness of breath.
- Pale, mottled, or blotchy skin.
Causes of Meningitis B
Meningitis B is caused by the Neisseria meningitidis group B bacteria. This bacterium is carried harmlessly in the throat or nose of about 10% of people at any given time (referred to as carriers). However, in certain cases, it invades the bloodstream and causes infection.
Close Contact with an Infected Person
- Living in the same household as an infected person.
- Caring for someone with hepatitis A.
- Having sexual contact with an infected individual.
Contaminated Food or Water
- Eating raw or undercooked shellfish from polluted waters.
- Consuming food handled by an infected person who did not practice proper hygiene.
- Drinking contaminated water, especially in areas with poor sanitation.
Travelling to Endemic Regions
- Areas with poor sanitation and limited access to clean water, such as parts of Africa, Asia, Central and South America, and the Middle East.
Risk Factors:
- Age: Infants, children under 5, and adolescents are at the highest risk.
- Close Living Spaces: Crowded environments like dormitories and military barracks increase the spread.
- Weakened Immune System: People with compromised immunity are more susceptible.
- Travel to High-Risk Areas: Regions where meningitis B is endemic.
Prevention of Meningitis B
Preventing meningitis B involves a combination of personal hygiene, awareness, and vaccination.
Good Hygiene
Regular handwashing and covering the mouth when coughing or sneezing.
Avoid Sharing Utensils
Prevent the spread of bacteria by avoiding shared eating or drinking items.
Limit Exposure
Avoid close contact with individuals showing signs of infection.
Vaccination for Meningitis B
Vaccination is the most effective method of preventing meningitis B. It protects individuals from severe complications and reduces the overall spread of the disease.
Vaccination Schedule:
- Infants: The vaccine is typically given at 2 months, with follow-up doses at 4 and 12 months.
- Adolescents and Adults: May receive the vaccine as a two- or three-dose series, depending on individual risk factors.
Effectiveness:
- The vaccines are highly effective in reducing the risk of meningitis B. However, as no vaccine offers 100% protection, continued vigilance is essential.
Regions Where Meningitis B is Endemic
Meningitis B cases occur globally but are more prevalent in certain regions:
- Sub-Saharan Africa: Known as the “Meningitis Belt,” this region sees a high incidence of bacterial meningitis, including meningitis B.
- Crowded Areas: Dense populations, especially in college dorms or refugee camps, increase transmission risks.
Travellers to these areas are advised to get vaccinated before their trip.

Complications of Meningitis B
Without prompt treatment, meningitis B can lead to severe complications, including:
- Hearing Loss: Permanent hearing damage is a common consequence.
- Neurological Damage: Issues like seizures, memory loss, or learning difficulties.
- Amputation: In cases where septicaemia occurs and damages tissue.
- Organ Failure: A result of severe blood poisoning.
Why Vaccinate at Trio Pharmacy's Travel & Vaccination Clinic in Shepperton?
If you’re planning to travel to an endemic region or want to protect yourself against meningitis B, Trio Pharmacy’s Travel & Vaccination Clinic in Shepperton is your trusted destination.
- Expert Guidance: Our trained healthcare professionals provide personalised advice tailored to your needs.
- Convenient Appointments: Flexible booking options to suit your schedule.
- Comprehensive Care: We ensure you receive the most up-to-date vaccinations and travel health information.