Table 1.
Criteria of stratifying infection risks.
| Risk of infection | Requirements |
|---|---|
| High | Fever or respiratory tract symptoms AND 1 of the followings in recent 14 days:
|
| Intermediate | Fever or respiratory tract symptoms and any travel history to foreign countries but not highly endemic area. OR Direct contact with confirmed cases and referred for sampling. |
| Undetermined | Fever or respiratory tract symptoms, but not met any of the above-mentioned criteria. |
Highly endemic areas are defined by and updated according to statement of Taiwan CDC.