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Protecting your health before and after a natural disaster

In the event of an emergency, unhealthy conditions can develop. You may survive a major disaster but be at risk of serious illness. Be prepared and know what to do so you can protect yourself and your whānau from illness and disease.

Preparing for an emergency

Check through the information on this page and work towards being ready if a disaster happens.

During an emergency

During an emergency you should listen to your radio for updates and any public health issue notices.

After an emergency

It may take time to get everything back to normal after an emergency.

Floods and health

Floodwaters can carry bugs that cause disease from ground surface septic tanks and sewerage systems.

Keeping safe from volcanic emissions

Volcanoes produce many hazards that can impact health.

Fires and smoke

Fires can expose people to a range of hazardous substances.

Asbestos following an emergency event

Asbestos released in the air from fire or the destruction of buildings can be harmful to people's health. The hazard is from inhaling the fibres, not from swallowing or skin contamination.

Managing stress in an emergency

If you or someone you know has been through a traumatic event, you may be feeling stressed or anxious. While there may be no simple fixes to make things better right away, there are some ways you can look after your wellbeing immediately after an emergency event.

Health advice for civil defence centres

Infectious diseases can cause challenges in civil defence centres.

Saving water and keeping healthy

Water shortages can occur during low rainfall or natural disasters, or if there is a contamination of a water supply.

Keeping cool in heat

Extreme heat can cause illness and death. But effective planning and actions can reduce its effects on health.

Health effects from heat

Where to get help

Contact your doctor or health professional, or call Healthline 24/7 on 0800 611 116 if you have any concerns about your own or others’ health.

You can text or phone 1737 anytime to speak to a trained counsellor for free.

ESR review of water, sanitation and hygiene guidance

ESR’s literature review of water, sanitation, and hygiene (WASH) guidance in the event of an emergency. It focusses on guidance on safe drinking water, sanitation, and hygiene in emergency situations, which are crucial to human health and well-being. 

Water, sanitation and hygiene (WASH) emergency guidelines literature review — ESR
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