[WHO-AFRO] N'djamena -- In a renewed effort to eradicate circulating polio variant type 2 in the Lake Chad Basin, Ministers of Health from Cameroon, the Central African Republic, Chad, Niger and Nigeria launched today a synchronized regional vaccination campaign aimed at protecting 83 million under 5 children. The initiative is a crucial milestone in the fight against variant poliovirus type 2, which continues to pose a threat to millions of children across the region.