Research and analysis

Health emergency planning

These 8 rapid evidence summaries identified and summarised evidence on the key health topics in the event of a national power outage.

• From: UK Health Security Agency
• Published: 16 December 2025

Documents

Minimum water requirements: a rapid evidence summary

Ref: GOV-16949 Published November 2025

PDF, 332 KB, 15 pages

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Safe drinking water alternatives: a rapid evidence summary

Ref: GOV-16950 Published November 2025

PDF, 506 KB, 30 pages

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Breast milk alternatives for babies who are not breastfed: a rapid evidence summary

Ref: GOV-16951 Published November 2025

PDF, 315 KB, 15 pages

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Sterilisation of baby feeding bottles: a rapid evidence summary

Ref: GOV-16952 Published November 2025

PDF, 354 KB, 16 pages

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Minimum calorie and nutritional requirements: a rapid evidence summary

Ref: GOV-16953 Published November 2025

PDF, 316 KB, 16 pages

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Minimum amount of alcohol to cause dehydration: a rapid evidence summary

Ref: GOV-16954 Published November 2025

PDF, 359 KB, 18 pages

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Public health management approaches to extreme hot or cold weather: a rapid evidence summary

Ref: GOV-16955 Published November 2025

PDF, 296 KB, 12 pages

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Additional calorie requirements in extreme cold weather: a rapid evidence summary

Ref: GOV-16956 Published November 2025

PDF, 778 KB, 48 pages

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Details

These rapid evidence summaries were undertaken in summer 2023 to identify and summarise evidence to help inform public health advice in the event of a national power outage.

The summaries cover 8 review questions within 3 key health topics:

• water and sanitation
• food and nutrition
• keeping warm or cool in extreme weather

Published 16 December 2025