Summary
Experts have warned about a severe illness called Lassa fever, similar to Ebola, which has reached countries outside of West Africa, including the U.S. This virus is mainly spread by rodents and can also pass between people through direct contact. The disease is challenging to diagnose because its symptoms overlap with other illnesses.
Key Facts
- Lassa fever is common in West African countries like Nigeria, Liberia, and Sierra Leone.
- The World Health Organization considers it a top pandemic threat.
- Over 32 cases have been reported outside of Africa, including in the U.S.
- Lassa fever can range from mild symptoms such as fever and headaches to severe symptoms like bleeding and difficulty breathing.
- Pregnant women are at high risk for severe complications.
- Early detection is crucial to prevent fatal outcomes.
- In a study in Liberia, 11% of patients with fever were diagnosed with Lassa fever.
- Limited testing and symptom overlap with other diseases lead to missed diagnoses.