Orbis CEO Damian Camp (right), chief technical officer Dr Matheus Vargas and the lab-in-a-box machine. Photo: Nikki Mandow
Covid immunity is an uncertain thing. We know young people are more likely to be protected than older people; those who are fully vaccinated have more immunity than those who aren't.
If you have had the virus, particularly if it was recently, you are likely to be safe from it - but it's not 100 percent.
Which is to say there are some guidelines, but nothing is certain. Some older people have more antibodies - and therefore stronger immunity - than some young people. We also know immunity wanes over time - that’s why New Zealanders were offered a booster and may need another.
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