This survey will be presented in 3 parts. The first part will be prior to the DWH disaster. The second part will be during the DWH disaster, as soon as you noticed a change in your health. The third part will be how you are feeling now.

Each question will be on a point system:

0 = Never or almost never had a symptom
1 = Occasionally have the symptom, but is not severe
2 = Occasionally have the symptom, but is severe
3 = Frequently have the symptom, but is not severe
4 = Frequently have the symptom, but is severe

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