New Zealand to use only Pfizer virus vaccine

A box of Pfizer BioNTECH vaccine multi-dose vials stored in a fridge. File Picture: Larry Cummins

New Zealand says it will now use only the Pfizer vaccine to inoculate its population against coronavirus, departing from earlier plans to use four different vaccines.

Prime minister Jacinda Ardern announced the strategy on Monday, saying the decision was based on the Pfizer vaccine’s effectiveness.