What is meningococcal W strain?
Emily Wilson
Updated on March 09, 2026
What is meningococcal W strain?
A new, virulent strain of meningitis and septicaemia. Cases of meningococcal W disease are rising steeply in the UK. Our genome library has identified the rise is due to a particularly virulent ST-11 strain. The ST-11 strain is causing severe disease in healthy teenagers and young adults.
What are the 5 strains of meningococcal?
Australia has 5 common strains of meningococcal disease they are: Men A, Men B, Men C, Men W-135 and Y. They are all preventable through vaccination.
What are the two types of meningococcal?
There are 2 types of meningococcal vaccines available in the United States:
- Meningococcal conjugate or MenACWY vaccines (Menactra®, Menveo®, and MenQuadfi®)
- Serogroup B meningococcal or MenB vaccines (Bexsero®and Trumenba®)
Is meningococcal the same as meningitis?
Meningococcal disease refers to a condition caused by the meningococcal bacterium (or, Neisseria meningitidis). Meningococcal disease can include meningitis (inflammation of the lining of the brain and spinal cord – this lining is called the meninges), and septicaemia (blood poisoning).
How do you get meningitis W?
The bacteria are spread from person to person by prolonged close contact – such as coughing, kissing or sneezing – with someone who is carrying the bacteria. Very occasionally, the meningococcal bacteria can cause serious illness, including meningitis and septicaemia, which can rapidly lead to sepsis.
How do you get meningococcal W?
Meningococcal disease is caused by strains of the bacterium called Neisseria meningitidis . It is transmitted through close and prolonged contact with mucus from an infected person.
How do you catch meningococcal B?
People spread meningococcal bacteria to other people by sharing respiratory and throat secretions (saliva or spit). Generally, it takes close (for example, coughing or kissing) or lengthy contact to spread these bacteria. Fortunately, they are not as contagious as germs that cause the common cold or the flu.
Does meningococcal vaccine hurt?
Soreness, redness, or swelling where the shot is given, tiredness, headache, muscle or joint pain, fever, or nausea, can happen after meningococcal B vaccination. Some of these reactions occur in more than half of the people who receive the vaccine.
Who is most at risk for meningococcal?
Anyone can get meningococcal disease, but rates of disease are highest in children younger than 1 year old, with a second peak in adolescence. Among teens and young adults, those 16 through 23 years old have the highest rates of meningococcal disease.
Which is worse meningitis or meningococcal?
What is the difference between bacterial meningococcal disease and viral meningitis? Bacterial meningococcal disease, including meningococcal meningitis, usually has a more sudden onset and is a more severe illness than viral meningitis.
What are the 3 types of meningitis?
Types of meningitis
- Viral meningitis. Viral meningitis is the most common type of meningitis.
- Bacterial meningitis. Bacterial meningitis is contagious and caused by infection from certain bacteria.
- Fungal meningitis. Fungal meningitis is a rare type of meningitis.
- Parasitic meningitis.
- Non-infectious meningitis.