HealthInfo Canterbury

Meningococcal disease

Kiriuhi uakakā

Meningococcal disease is a rare but very serious infection. It can lead to severe blood poisoning (septicaemia), bacterial meningitis and pneumonia (lung infection). These can happen individually but they most commonly happen together.

The bacteria that cause meningococcal disease live in the back of the throat in about 15% of healthy people. Most of the time this doesn't cause any problems. But sometimes the bacteria passes into the bloodstream causing meningococcal infection. Doctors don't know why some people get very ill and others don't.

There are several types of meningococcal bacteria, including A, B, C, Y and W. Most cases of illness are caused by the B type.

Meningococcal disease is spread in saliva droplets and secretions by coughing, sneezing and kissing. Sharing eating and drinking utensils can also spread the bacteria.

Risk factors for meningococcal disease

Anyone can get meningococcal disease but it's more common in:

• pēpi (babies) and young tamariki (children) under 5 years, teenagers and young adults
• people living in overcrowded housing or shared accommodation, such as universities and boarding schools
• people with weakened immune systems.

Symptoms of meningococcal infection

Meningococcal disease symptoms typically develop very quickly over a few hours, but in some cases may develop more slowly over several days. A person with meningococcal disease may only have some of the symptoms. The symptoms don't develop in any particular order.

Common symptoms of meningococcal disease include:

• a fever (high temperature), although their hands and feet may feel cold
• vomiting
• muscle and joint aches and pains.

Common symptoms of meningitis include:

• a headache, which may be severe
• a stiff neck
• sensitivity to bright light
• drowsiness and confusion (it's hard to wake them).

A red or purple rash is common, but it doesn't always happen. One or two spots can appear anywhere on the body then many more appear, looking like rash or bruises. If you firmly press a glass on the spots and they don't fade, call 111 for urgent medical help.

Common symptoms in pēpi include:

• irritability, especially when being picked up
• dislike of bright lights – they'll shut their eyes and turn away from the light
• a fever, but they may not look hot and their skin may be pale or turn blue
• cold hands and feet
• being sleepy, floppy or hard to wake
• back arching
• high-pitched excessive crying
• poor feeding or not waking for feeds
• a bulging fontanelle (the soft spots on the head of a pēpi).

Treating meningococcal disease

Injected high doses of antibiotics can treat meningococcal disease effectively. But the treatment must be started as soon as possible. It's very important to be aware of the symptoms and get urgent medical help immediately.

Preventing meningococcal disease

Several meningococcal vaccines are available in New Zealand to provide protection against the different types of meningococcal bacteria.

The meningococcal B vaccine is offered to all children under 5 years as part of the National Immunisation Schedule.

Manatū Hauora – Ministry of Health funds free vaccinations for groups of people with a high risk of meningococcal disease. This includes young people aged 13 to 25 entering communal accommodation such as boarding school hostels, tertiary education halls of residence, military barracks and prisons. They also recommend but don't fund vaccinations for other groups of people. See Meningococcal disease (including meningitis) (click the Prevention tab) for details.

If you've had recent close contact with someone with meningococcal disease, your doctor may recommend preventative antibiotics. Your local public health will usually contact you about this. But check with your general practice team if you're concerned.

  HealthInfo recommends the following videos

• Healthify He Puna Wairoa – Meningitis

  More about meningitis symptoms and risks.

• Manatū Hauora – Ministry of Health – Meningococcal C: You're better to be safe than sorry

  A family talks about their experience with meningococcal disease and meningitis.

  HealthInfo recommends the following pages

• KidsHealth – Meningococcal disease

  Information about meningococcal disease in tamariki.

• Manatū Hauora – Ministry of Health – Meningococcal disease (including meningitis)

  Extensive information about meningococcal disease, including who is most at risk. It also includes information about meningococcal disease vaccinations available in New Zealand.

Written by HealthInfo clinical advisers. Last reviewed May 2022.

Sources

Page reference: 585790

Review key: HIMGD-49770