Covid 19 coronavirus: The risk of returnees from Covid-ravaged places. Are our systems strong enough? 5 Apr, 2021 05:00 PM 11 minutes to read From New Zealand's first Covid-19 case on February 28 2020 to entering another alert level 3 lockdown on February 28 2021 - here's a timeline of the milestones and setbacks we've all endured. Video / NZ Herald From New Zealand's first Covid-19 case on February 28 2020 to entering another alert level 3 lockdown on February 28 2021 - here's a timeline of the milestones and setbacks we've all endured. Video / NZ Herald Derek Cheng is a political reporter for the New Zealand Heraldderek.cheng@nzme.co.nz A quarantine-free transtasman bubble is set to start, raising the possibility of more returnees from Covid-rampant countries. Are our systems strong enough, and if not, how can they be strengthened? Derek Cheng reports.