1/n thread: The investigations of a probably case in Northland is likely to cause concern for many people. It’s worth remembering people tend to have a blind spot for dangers that have a long lead-in time... #covid19nz

2/n The fact that the coronavirus can be present in the community for days before people start testing positive is important... #covid19nz

3/n This means it is absolutely critical that people are using the app to check-in as this contributes to understanding how and where the virus may have been transmitted in the days preceding detection... #covid19nz

4/n The argument that, “we don’t need to use the app because we don’t have Covid-19 here is a false one”, because the virus may well be present - it just hasn’t been detected yet... #covid19nz

5/n By using the app, you are making a valuable personal and community contribution to being able to tackle any outbreak swiftly, should one occur. Make sure QR codes and available, visible, easy to access and ideally displayed in multiple places in premises... #covid19nz

6/n Use the QR codes, no matter where you are in New Zealand - our response may depend on it. #covid19nz