CDC Issues New Yemen Malaria Travel Alert as Dangerous Parasite Spreads into Previously Low-Risk Areas: What Travelers and Aid Workers Need to Know

The CDC issued a new Level 2 Travel Health Notice for malaria in Yemen on June 11, 2026, as cases spread into previously low-risk areas. WHO EMRO confirmed 1.44 million cases tested in 2025. Yemen’s malaria is almost exclusively Plasmodium falciparum — the deadliest species. Here is what travelers need to know.