Travel and meningococcal risk
Protection is recommended for travellers at greater risk of exposure, such as pilgrims to the Hajj.
Invasive meningococcal disease is an important cause of death and disability.
There are around 500,000 cases worldwide each year, resulting in about 150,000 deaths. Even with appropriate care, the disease can be deadly, with case fatality rates up to 10% and much higher in untreated cases.
Neurological sequelae and damage from skin necrosis are common in survivors.
Though there are 13 serogroups of Neisseria