billie eilish

[AzetSar]

The H1N1 influenza pandemic in 2009-2010, for example, was caused by a virus that turned out to be a genetic hodgepodge, fashioned from bits and pieces of North American, European, and Asian swine viruses, with some North American avian influenza and a segment of human influenza mixed in for good measure. And now, a study published June 5 in the journal mBio contains the worrisome news that in the future, we may have more to worry about than just swine, poultry or avian flu. Researchers have found a set of flu strains, avian in origin, that have jumped from swine to dogs in China, and then have reassorted with dog viruses, to produce several new canine flu strains in that country. Adolfo Garcia-Sastre, the study's corresponding author. He's director of the Global Health and Emerging Pathogens Institute and principal investigator at the Center for Research on Influenza Pathogenesis, Icahn School of Medicine at Mount Sinai in New York City. All this suggests potentially more opportunities for several viral strains to mix, circulate and undergo reassortment which we believe increase the chance of spillover to human hosts, given enough contact and opportunity," according to Runstadler. "As an example, equine flu H3N8 can infect dogs, but the infection never spreads to another dog with one exception," Dubovi writes. "In 2004 an equine origin H3N8 was found in dogs. The opportunity for other jumps was there, but the unique changes needed to do it successfully are exceedingly rare by way of mutations. The partially reconstructed wreckage of TWA Flight 800, which blew up shortly after takeoff from New York's JFK International Airport in 1996, sits in a hangar at the NTSB Training Center in Ashburn, Virginia. Mechanical problems also can be exacerbated by flight crew mistakes. In 1989, for example, one of the engines of a British airliner began to malfunction, according to a report by the Air Accidents Investigation Board. But the flight crew mistakenly believed that the aircraft's other engine was the one that had been damaged and shut it down instead. They didn't realize their mistake until the aircraft abruptly lost power 2.4 nautical miles (4.44 kilometers) from the runway of their destination. Lightning flashes behind an air traffic control tower at McCarran International Airport in Las Vegas, Nevada. Just 6 to 10 percent of air crashes are related to weather. Whenever an airliner goes down in a storm, it's natural to wonder if the weather had something to do with it. trump veto

















































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