Nigeria begins Meningitis vaccination campaign as death toll rises to 336. Meningitis: Nigerian govt explains challenges, successes in dealing with outbreak. Nigerians are most depressed in Africa, says WHO. Investigation: Eleven years after ban, Chloroquine still used for malaria treatment in Nigeria. WHO to immunise 1.9m children against polio in Borno. Borno records 3,800 new cases of HIV in IDPs camps. Bauchi Govt. releases N175m for 2017 routine immunisation. Lagos to establish agency to manage health insurance scheme. Edo to domesticate National Health Act. Meningitis in Nigeria – what’s going on?