As children return to school this week it may come as a surprise to learn their experience is remarkably similar to that of their forebears almost a hundred years ago.
New Zealand health authorities issued immunity passports, shut down schools nationwide and quarantined those with a new virus - polio - during epidemics in the early 1900s.
It was a similar story in later decades, when many schools shut down for weeks at a time to prevent polio outbreaks from spreading.
Amy Williams interviewed her grandmother to file this report.
