Human bird flu cases on the rise

Until very recently, the number of humans affected by the bird flu outlook was extremely low.

Now, however, a number of people in Colorado have reported infection from exposure to poultry and dairy cows.

Last week, the Centers for Disease Control (CDC) reported four human cases of highly pathogenic avian influenza, with a fifth case awaiting confirmation.

All cases were associated with the depopulation of infected poultry during an outbreak.

A CDC team was on the ground in Colorado to support assessment of the outbreak.

All infected individuals reported mild illness, including conjunctivitis a...