It's time to ditch the government's test, test, test mantra in favour of a more targeted message; according to the scientists processing those tests. Lab workers say they have been operating on the edge of their limits for nearly two years and simply won't manage the demand for PCR testing when the Omicron outbreak takes off. And there will need to be more widespread use of rapid antigen tests. Terry Taylor is the president of the New Zealand Institute of Medical Laboratory Science. He talks to Lisa Owen.