The series of stories about people leaving border facilities without being tested has been slammed as "a catalogue of cock-ups" by National's health spokesman.
Michael Woodhouse has also defended going public with his information before informing the Ministry of Health there was another close contact of a notifiable disease.
"I reject any accusations that this was political. What I have done is drawn to the public's attention, a glaring omission in the process. That's my job as a politician."
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Woodhouse said he didn't think Health Minister David Clark would have "paid that much attention to it" if he told him first he knew the two sisters who later tested positive for Covid-19 had hugged their helper after getting lost on their trip to Wellington.