A Washington resident has been hospitalized with a different strain of bird flu than those seen in past cases, state health officials announced Friday. The person was infected with a bird flu called H5N5. State and federal health officials say it appears to be the first known human infection with the H5N5 bird flu virus. The individual has a mixed backyard flock that was exposed to wild birds, making either the domestic birds or the wild ones the most likely source of infection, the Washington