Water sanitation hygiene

Frequently asked questions in case of emergencies

The information below gives responses to questions that are likely to be frequently asked during an emergency. They are divided into four categories — Health risks linked to drinking-water and sanitation; health risks due to stagnant water; immediate actions that should be taken in respect of water, hygiene, and sanitation; and the nature of WHO's response to the emergency.

Health risks: Drinking-water and sanitation

Health risks: stagnant water

Immediate action

WHO response