In Nigeria, Chad, Sierra Leone, Central African Republic and Lesotho, the average person can expect to live a full three decades less than in the healthiest countries.
As of time of writing, the entire Sahel-region has undergone political upheaval with several civil wars currently brewing. While not yet finished reading this section, I imagine that the author will speak about how poverty (in the wake of post-colonial governance) has been the major force behind the recent violence througout Nigeria, Chad, etc. This poverty is only worsened by the lack of medicine due to the medical system itself crashing.