| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | machupo virus | Europe | Machupo virus is relatively unknown in North America and Europe, and is not a major public health concern in these regions. | 1 |
| 2 | marburg virus | Europe | Marburg virus is a rare and serious threat, and outbreaks are a significant concern for public health authorities. | 1 |