There's calls for a campaign to encourage New Zealanders to stock up in case of a major Covid outbreak

New figures from Horizon Research shows only 16 per cent would be prepared with medicine, essential food and other supplies - if they needed to self-isolate for 14 days.

Another 35 per cent say they're partly ready.

Horizon Research principal Graeme Colman says there should be a campaign.

He says they're finding about 14 per cent of 400-thousand adults aren't bothering to stock up - and that's a concern if there's widespread infection.