The new study is more evidence that the official U.S. tally of confirmed human bird flu infections — 68 in the last year — is likely a significant undercount, said Dr. Gregory Gray, an infectious ...

He said it shows that officials cannot fully understand bird flu transmission by only tracking people who go to medical clinics with symptoms. CDC researchers went to an American Association of ...

AP He said it shows that officials cannot fully understand bird flu transmission by only tracking people who go to medical clinics with symptoms. CDC researchers went to an American Association of ...

The report adds to a growing body of evidence that suggests people may have asymptomatic bird flu infections, or infections showing no obvious symptoms. In November, the CDC posted a study that ...

He said it shows that officials cannot fully understand bird flu transmission by only tracking people who to go to medical clinics with symptoms. Study suggests bird flu cases are undercounted CDC ...

Many people are aware of the ongoing bird flu virus because it is killing millions of chickens and raising the price of eggs to record highs. But there is more to the story. Avian influenza ...

Some People Didn't Know They Had a Bird Flu Infection, Study of Veterinarians Suggests NEW YORK (AP) — A new study shows that bird flu has silently spread from animals to some veterinarians.