https://www.legislation.govt.nz/act/public/1956/0065/latest/DLM307083.html
New Zealand brothers are catching it .
RESIST
Health Act 1956
Part 3
Infectious and notifiable diseases
Special powers of medical officer of health
(1)
For the purpose of preventing the outbreak or spread of any infectious disease, the medical officer of health may from time to time, if authorised to do so by the Minister or if a state of emergency has been declared under the Civil Defence Emergency Management Act 2002 or while an epidemic notice is in force, by notice,—
(a)
declare any land, building, or thing to be insanitary, and prohibit its use for any specified purpose:
(b)
cause any insanitary building to be pulled down, and the timber and other materials thereof to be destroyedor otherwise disposed of as he thinks fit:
(c)
cause insanitary things to be destroyedor otherwise disposed of as he thinks fit:
(d)
cause infected animals to be destroyedin such manner as he thinks fit:
(e)
require persons to report themselves or submit themselves for medical examinationat specified times and places:
(ea)
if the spread of the disease would be a significant risk to the public, require people to report, or submit themselves for medical testing, at stated times and places:
(f)
require persons, places, buildings, ships, vehicles, aircraft, animals, or things to be isolated, quarantined, or disinfectedas he thinks fit:
(fa)
if the spread of the disease would be a significant risk to the public, require people, places, buildings, ships, vehicles, aircraft, animals, or things to be tested as he or she thinks fit:
(g)
forbid persons, ships, vehicles, aircraft, animals, or things to come or be brought to any port or place in the health district from any port or place which is or is supposed to be infected with any infectious disease:
(h)
require people to remain in the health district or the place in which they are isolated or quarantined until they have been medically examined and found to be free from infectious disease, and until they have undergone such preventive treatmentas he may in any such case prescribe:
(i)
forbid the removal of ships, vehicles, aircraft, animals, or things from the health district, or from one port or part thereof to another, or from the place where they are isolated or quarantined, until they have been disinfected or examined and found to be free from infection:
(j)
prohibit the keeping of animals or of any species of animal in any specified part of the health district:
(k)
forbid the discharge of sewage, drainage, or insanitary matter of any description into any watercourse, stream, lake, or source of water supply:
(l)
use or authorise any local authority to use as a temporary site for a special hospital or place of isolation any reserve or endowment suitable for the purpose, notwithstanding that such use may conflict with any trust, enactment, or condition affecting the reserve or endowment:
(la)
in writing to the person appearing to be in charge of the premises concerned, do either or both of the following:
(i)
require to be closed immediately, until further notice or for a fixed period, any premises within the health district(or a stated area of the district):
(ii)
require to be closed immediately, until further notice or for a fixed period, any premises within the health district (or a stated area of the district) in which infection control measures described in the notice are not operating:
(m)
require to be closed, until further notice or for a fixed period, all premises within a health district (or stated area of a health district) of any stated kind or description:
(n)
require to be closed, until further notice or for a fixed period, all premises within a health district (or a stated area of a health district) of any stated kind or description in which infection control measures described in the notice are not operating:
(o)
forbid people to congregate in outdoor places of amusement or recreation of any stated kind or description(whetherpublic or private) within a health district (or a stated area of a health district):
(p)
forbid people to congregate in outdoor places of amusement or recreation of any stated kind or description (whether public or private) within a health district (or a stated area of a health district) in which infection control measures described in the notice are not operating.
more at link… law been on books since 1956
https://www.legislation.govt.nz/act/public/1956/0065/latest/DLM305840.html#DLM307082
Health Districts… like 'voting' districts?