Emergencies preparedness, response

Meningococcal disease in Chad - update

20 January 2005

From 6-18 January 2005, 8 cases of meningococcal disease have been reported from Brejing, Treijing and Farchana refugee camps in northern Chad (see previous report).

Four cases have tested positive for Neisseria meningitidis W135 by latex test. The WHO Collaborating Centre, Institut de Médecine Tropicale du Service de Santé des Armées (IMTSSA) has confirmed the W135 serogroup by culture.

The International Coordinating Group (ICG) on Vaccine Provision for Epidemic Meningitis Control has provided 178,000 doses of trivalent vaccine for a mass vaccination campaign. WHO, UNHCR, UNICEF, Médecins sans Frontières-Holland and the International Federation of Red Cross and Red Crescent Societies (IFRC) are working with the Ministry of Health, Chad to implement other emergency control measures, including case management and surveillance in other camps and neighbouring districts.