Meningococcal meningitis 

Infectious agent: The bacterium Neisseria meningitidis

Main symptom(s): Infection affecting the thin lining that surrounds the brain and spinal cord.

Where is it most commonly found?

Common in sub-Saharan Africa and Saudi Arabia.

How are you likely to catch the disease?

Person-to-person through breathing in air-borne droplets.

Who needs to be vaccinated?

If you're backpacking or living in a rural area of a country with a high risk of meningitis, or if you’re staying in such a country for a month or more, you’ll need the meningococcal vaccine. The vaccine is also required for all pilgrims travelling to the Hajj in Saudi Arabia

How is the vaccination given?

A single injection of the vaccine containing A, C, W and Y strains.

How long will the vaccination protect you for?

Boosters every 3-5 years if you’re still at risk.