This has led her and epidemiologist Dr Michael Baker to raise questions about the effectiveness of the pre-departure testing regime. But the data also shows that the pre-departure testing regime is not working as well as had been intended. "For those who test negative it just tells us they were negative at the time of testing," Wiles said. "I have no doubt that unscrupulous people will also be offering fake negative pre-departure test certificates for a fee. The testing data shows some countries clearly have much worse pre-departure testing regimes than others.

Source: New Zealand Herald March 28, 2021 15:56 UTC