article_snippet.sent: A virulent strain of bird flu continues to hammer the Midwest and The deadly H5N2 bird flu virus recently took The deadly H5N2 bird flu virus biggest toll yet after The deadly H5N2 bird flu virus hit a farm in Iowa that held nearly 10 percent of northwest Iowa's egg-laying chickens.
article_snippet.sent: Poultry producers and scientists had been hoping warmer weather would knock down The deadly H5N2 bird flu virus.
article_snippet.sent: But the U.S. Department of Agriculture said Monday that The deadly H5N2 bird flu virus had been found at a farm in northwest
article_snippet.sent: Seven other Midwestern states have also been hit by The deadly H5N2 bird flu virus, dooming nearly 7.8 million turkeys and chickens since March.
article_snippet.sent: The virulent strain in question is the H5N2, a highly contagious virus that kills commercial poultry quickly once it gets into a barn.
article_snippet.sent: H5N2 and other highly pathogenic strains have also been found since late last year among wild birds, backyard flocks and commercial farms in some western states and British Columbia.
article_snippet.sent: The USDA's chief veterinary officer, Dr. John Clifford, said last week that while new cases should drop close to zero once the weather warms up and kills off the virus there's 'very likely' to be a resurgence this fall when the wild waterfowl that are natural carriers of avian influenza fly south for the winter.
article_snippet.sent: While vaccines have been used around the world to protect flocks against various bird flu strains ahead of time, this strain is new to North America.
highlights_snippet.sent: The deadly H5N2 bird flu virus has been found at a farm in northwest Iowa .
  
highlights_snippet.sent: Seven other Midwestern states have also been hit by The deadly H5N2 bird flu virus .
  