# Monitoring and evaluation

Governments can use predefined performance targets to determine the efficacy of its contact tracing program. These metrics can be used in tandem with broader metrics tracking cases and mortality rate to consider loosening and tightening social restrictions.

### Example metrics and targets for contact tracing

| **Possible criteria to loosen restrictions** | **Possible criteria to tighten restrictions** | **Other performance metrics** |
| -------------------------------------------- | --------------------------------------------- | ----------------------------- |

| <ul><li><p></p><ul><li><p></p><ul><li>100% of cases interviewed for contact elicitation/ identification</li><li>Contacts elicited for at least 90% of cases</li><li>100% of symptomatic contacts and others with symptoms undergo testing within 12 hours of identification of symptoms</li></ul></li></ul></li></ul> | <ul><li><p></p><ul><li><p></p><ul><li>Cannot elicit contacts for 20% or more of cases</li><li>10% or more of symptomatic contacts fail to get tested or are tested in more than 24 hours of symptom onset</li></ul></li></ul></li></ul> | <ul><li><p></p><ul><li><p></p><ul><li>% of cases with complete contact information</li><li>% of cases reached by case investigator within 12 hours of positive lab result</li><li>% of cases providing at least one contact to investigator</li><li>% of contacts with complete contact information</li><li>% of contacts reached by contact tracer within 24 hours of elicitation</li></ul></li></ul></li></ul> |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

\[Flow chart of data here]

###


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://contacttracingplaybook.org/how-to-do-contact-tracing/monitoring-and-evaluation.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.