"I had concerns about a vaccine that could be produced very quickly... and not adequately tested for long term safety. "Glenister said in September 2021 when Air NZ gave a livestream presentation about the mandatory vaccination, he said he found it patronising. "Despite Auckland being the most dangerous port to be working at... no one had caught Covid-19 and the protections in place were working well," Glenister said. "This was something Air New Zealand should have managed and not shifted on to us as a responsibility. He subsequently took 197 days of leave without pay.Tait has worked for the airline for 18 years.