---
title: infectiousness
framework: exposurenotification
role: symbol
role_heading: Instance Property
path: exposurenotification/enexposurewindow/infectiousness
---

# infectiousness

How infectious the user is, based on the number of days since the onset of symptoms.

## Declaration

```swift
var infectiousness: ENInfectiousness { get }
```

## Discussion

Discussion important: This property is available in iOS 12.5, and in iOS 13.7 and later.

## See Also

### Getting Window Properties

- [calibrationConfidence](exposurenotification/enexposurewindow/calibrationconfidence.md)
- [date](exposurenotification/enexposurewindow/date.md)
- [diagnosisReportType](exposurenotification/enexposurewindow/diagnosisreporttype.md)
- [scanInstances](exposurenotification/enexposurewindow/scaninstances.md)
- [variantOfConcernType](exposurenotification/enexposurewindow/variantofconcerntype.md)
- [ENVariantOfConcernType](exposurenotification/envariantofconcerntype.md)