In 18 mai 2009, ora 06:00 GMT, Organizatia Mondiala a Sanatatii a anuntat ca 40 de state au raportat oficial 8829 de cazuri de gripa porcina, inclusiv 74 de decese.
| Countries officially reporting cases | Cumulative total of confirmed cases including deaths (as of 18 May 2009 06:00 GMT) | Newly confirmed cases including deaths since 17 May 2009 | ||
| Cases | Deaths | Cases | Deaths | |
| Argentina | 1 | 0 | 0 | 0 |
| Australia | 1 | 0 | 0 | 0 |
| Austria | 1 | 0 | 0 | 0 |
| Belgium | 5 | 0 | 1 | 0 |
| Brazil | 8 | 0 | 0 | 0 |
| Canada | 496 | 1 | 0 | 0 |
| Chile | 1 | 0 | 1 | 0 |
| China | 6 | 0 | 1 | 0 |
| Colombia | 11 | 0 | 0 | 0 |
| Costa Rica | 9 | 1 | 0 | 0 |
| Cuba | 3 | 0 | 0 | 0 |
| Denmark | 1 | 0 | 0 | 0 |
| Ecuador | 1 | 0 | 0 | 0 |
| El Salvador | 4 | 0 | 0 | 0 |
| Finland | 2 | 0 | 0 | 0 |
| France | 14 | 0 | 0 | 0 |
| Germany | 14 | 0 | 0 | 0 |
| Guatemala | 3 | 0 | 0 | 0 |
| India | 1 | 0 | 0 | 0 |
| Ireland | 1 | 0 | 0 | 0 |
| Israel | 7 | 0 | 0 | 0 |
| Italy | 9 | 0 | 0 | 0 |
| Japan | 125 | 0 | 118 | 0 |
| Korea, Republic of | 3 | 0 | 0 | 0 |
| Malaysia | 2 | 0 | 0 | 0 |
| Mexico | 3103 | 68 | 208 | 2 |
| Netherlands | 3 | 0 | 0 | 0 |
| New Zealand | 9 | 0 | 0 | 0 |
| Norway | 2 | 0 | 0 | 0 |
| Panama | 54 | 0 | 0 | 0 |
| Peru | 1 | 0 | 0 | 0 |
| Poland | 1 | 0 | 0 | 0 |
| Portugal | 1 | 0 | 0 | 0 |
| Spain | 103 | 0 | 0 | 0 |
| Sweden | 3 | 0 | 0 | 0 |
| Switzerland | 1 | 0 | 0 | 0 |
| Thailand | 2 | 0 | 0 | 0 |
| Turkey | 2 | 0 | 1 | 0 |
| UK | 101 | 0 | 19 | 0 |
| United States of America | 4714 | 4 | 0 | 0 |
| Total | 8829 | 74 | 349 | 2 |
Sursa: OMS / WHO
