| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | lassa fever | United States | Lassa fever is relatively unknown and is not a major public health concern, with minimal awareness and few preventive measures in place. | 1 |
| 2 | lassa fever | United States | Lassa fever is a rare and relatively unfamiliar disease in the United States and European countries. | 1 |
| 3 | lassa fever | United States | Lassa fever is a rare and foreign disease, often associated with travel to West Africa. | 1 |
| 4 | lassa fever | United States | Rare and often unfamiliar, with lower awareness and prevention measures due to limited occurrences outside of endemic regions. | 1 |