"There were, at times, mixed-messages and the definition of close contacts was modified and that confused people.
"The public have got confused, and that message has been loud and clear. So, that's something we would want to look at.”
Roche, along with health economist Heather Simpson, reviewed the Government’s testing and contact tracing response in September.
The report, made public late in December by the Government, came with a promise to enact its 28 recommendations and a $3 billion commitment to bolstering the response.
It said the current response could not “serve effectively for the next 24 to 36 months”, and severely criticised the Ministry of Health’s communication.