In the last five weeks
Mexico: Outbreak of avian influenza forced the slaughter of nearly 5 million birds
Tuesday, July 24, 2012 | 8:04 pm
Other 9.3 million birds could be at same fate because they are near the focus where it was detected and lvirus About 4.9 million birds have died since five weeks ago came an outbreak of bird flu in Jalisco state farms in western Mexico, Mexican officials said. The National Health Service, Food Safety and Food Quality (SENASICA) indicated that they are all laying hens have died from the disease or have had to be slaughtered under strict measures to prevent the spread of the H7N3 virus. He also indicated that keeps under surveillance 16.5 million birds, of which 9.3 million are related to the outbreak, ie, they are very near the site or area where the virus has been detected and therefore are more risk of contagion...
http://www.larepublica.pe/24-07-2012/mexico-brote-de-gripe-aviar-obligo-sacrificar-casi-5-millones-de-aves