Leprosy in the North and Northeast regions of Brazil: an integrated spatiotemporal approach.

Objective: To analyse the spatiotemporal patterns of leprosy occurrence in the North and Northeast regions of Brazil from 2001 to 2017.

Methods: Mixed population-based ecological study with spatial and temporal trend analysis of epidemiological indicators based on new cases reported to the Information System for Notifiable Diseases of the Ministry of Health occurring in individuals residing in North and Northeast states of Brazil.

Results: A total of 396 987 new cases were analysed; 9.