| CDC | Center for Disease Control and Prevention. |
| GEJE | Great East Japan Earthquake and Tsunami. |
| MHLW | Ministry of Health, Labour and Welfare of Japan. |
| NOAA | National Oceanic and Atmospheric Administration. |
| NWS | National Weather Service. |
| UNDRR | United Nations Office for Disaster Risk Reduction. |
| WHO | World Health Organization. |
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