Threat Alert
Level 1 - Diphtheria in Sub-Saharan Africa
Level 1 - Diphtheria in Sub-Saharan Africa; CDC notice issued or updated 2026-06-02T04:00:00.000Z.
General Safety AlertAdvisoryActive
Chad
August 2, 2026
Confidence
Verified
Source Reliability
Official
Source
CDC Travel Health Notices
Affected Countries
Chad, Guinea, Niger, Nigeria, Mali, Mauritania, Somalia Country List : Chad, Guinea, Niger, Nigeria, Mali, Mauritania, Somalia Country List : Chad, Guinea, Niger, Nigeria, Mali, Mauritania, Somalia
CDC is the issuing source for Chad.
Source organization: CDC Travel Health Notices.