A Stuff article.
There is a lot riding on New Zealanders getting fully vaccinated against Covid-19 – with more freedoms on the horizon when all district health boards hit 90 per cent for double-doses.
But why is it important to have both?
Clinical immunologist Dr Maia Brewerton (Ngāti Porou, Ngāti Kahungunu) said protection against Delta is greatly decreased after just one dose.