The US CDC said the individual involved in Louisiana\'s human bird flu case is the first severe case in the United States, in the 60 some previous human cases symptoms were described as mild. While the CDC didn\'t detail the individual\'s symptoms, they noted they had been in contact with sick and dead birds in their backyard flock.

<div class=\"default-font-wrapper\" style=\"line-height: 1;font-size: 12pt; font-family: Verdana, Geneva, sans-serif;\">The US CDC said the individual involved in Louisiana\'s human bird flu case is the first severe case in the United States, in the 60 some previous human cases symptoms were described as mild.  While the CDC didn\'t detail the individual\'s symptoms, they noted they had been in contact with sick and dead birds in their backyard flock.</div>