Blood tests confirm a second person in Missouri caught bird flu without exposure to infected animals, but questions remain
Blood tests of several people who were in contact with a patient in Missouri who caught H5N1 bird flu without any known exposure to infected animals reveal at least one of them also had the virus.
Blood tests of several people who were in contact with a patient in Missouri who caught H5N1 bird flu without any known exposure to infected animals reveal at least one of them also had the virus.
